The drive from Riverside, CA to Rio Dell, CA covers 668.7 miles and takes about 12h 55m behind the wheel.
It usually feels better as a 2-day road trip than as one long push.
The route leans on Westside Freeway, Redwood Highway, Saint Helena Highway for much of the mileage,
and the overall profile is long-distance drive.
The longest uninterrupted segment is about 225.6 miles on Westside Freeway.
At current regular gas prices, budget about $153.70 one way before food or hotel costs.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
3 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
334.4 miles from Riverside, CA
A natural place for your longest stop of the day
, about 6h 16m into the drive
.
Who Is This Route For?
Solo Traveler
12h 55m drive, plan rest stops for pacing.
Scenic Drive
Long-distance drive route profile with national parks nearby.
Drive Character
At 668.7 miles and 12h 55m of driving, this is a route where fuel stops, weather, and timing matter more than any single turn. The main roads are Westside Freeway and Redwood Highway.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 65 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Westside Freeway is the longest continuous segment at about 225.6 miles.
How Hard Is This Drive?
At 12h 55m, this is a long-haul route where pacing matters more than any single turn. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 22.4 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 49 significant decision points across 668.7 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 22.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 50.4 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 397.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 49 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
8
22.4 mi into trip|~30m in
Take the exit toward CA 71 South, CA 71 North: Corona, Pomona
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 29B
Toward CA 71 South, CA 71 North: Corona, Pomona
8
50.4 mi into trip|~1h 5m in|I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward I 210 West: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 26A
Toward I 210 West: Sacramento
8
397.6 mi into trip|~7h 26m in
Take the exit toward I 680 South, I 680 North: San Jose, Sacramento, Concord, Walnut Creek
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 44B
Toward I 680 South, I 680 North: San Jose, Sacr...
9
397.8 mi into trip|~7h 26m in
Keep slight right at fork toward I 680 North: Walnut Creek, Concord, Sacramento
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 680 North: Walnut Creek, Concord, Sacr...
8
418.3 mi into trip|~7h 50m in|I 680 / Senator Daniel E Boatwright Highway
Keep slight left at fork onto I 680 / Senator Daniel E Boatwright Highway toward I 680 North: Martinez, Sacramento
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 680 North: Martinez, Sacramento
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Riverside, CA and Rio Dell, CA, road signs point toward San Francisco, Sacramento, Concord, Walnut Creek, Novato and Auto Mall.
San Francisco
361.1 mi in|~6h 45m|via I 580
Sacramento
397.6 mi in|~7h 26m
Concord
397.6 mi in|~7h 26m
Walnut Creek
397.6 mi in|~7h 26m
Novato
435.9 mi in|~8h 10m
Auto Mall
435.9 mi in|~8h 10m
Main Roads
Road
Distance
Duration
Westside Freeway
225.6 mi
4h 1m
Redwood Highway
160.7 mi
3h 18m
Saint Helena Highway
51.2 mi
59m
Foothill Freeway
43.9 mi
50m
I 5 Truck
37.1 mi
42m
Golden State Freeway
22.3 mi
25m
Arthur H. Breed Junior Freeway
19.6 mi
22m
William Elton Brown Freeway
17 mi
18m
Longest stretch:
Westside Freeway
— 225.6 mi, about 4h 1m
Turn-by-Turn Driving Directions
Step-by-step road directions between Riverside, CA and Rio Dell, CA.
1
Start on this road
181 ft·13 sec·this road
2
Turn right
94 ft·7 sec
3
Turn right onto Magnolia Avenue
228 ft·14 sec·Magnolia Avenue
4
Turn left onto Central Avenue
3.5 mi·6 min·Central Avenue
Use the left lane.
5
Turn right onto Van Buren Boulevard
6.1 mi·8 min·Van Buren Boulevard
Use the right lane.
6
Continue on Mission Boulevard
0.3 mi·24 sec·Mission Boulevard
Use the straight lane.
7
Take the ramp
0.3 mi·41 sec
Toward CA 60 West
8
Merge onto CA 60
12 mi·13 min·Pomona Freeway
Use the straight / slight right lanes.
9
Take the exit
0.2 mi·29 sec
Exit 29BToward CA 71 South, CA 71 North: Corona, PomonaUse the straight / slight right lanes.
10
Keep slight right at fork
0.5 mi·1 min
Toward CA 71 North: PomonaUse the slight right lane.
11
Keep slight left at fork
0.2 mi·19 sec
Use the straight / slight right lanes.
12
Merge onto CA 71
3.5 mi·4 min·Chino Valley Freeway
Use the straight / slight right lanes.
13
Keep slight left at fork
0.7 mi·1 min
Toward CA 57 North
14
Continue on CA 57
3.4 mi·3 min·CA 57
Use the straight / slight right lanes.
15
Keep slight left at fork
1.1 mi·2 min
Exit 25CToward I 210 West: Pasadena
16
Merge onto I 210
18 mi·21 min·Foothill Freeway
Use the straight / slight right lanes.
17
Keep slight right at fork onto I 210
26 mi·29 min·Foothill Freeway
Exit 26AToward I 210 West: SacramentoUse the straight / slight right lanes.
18
Keep slight right at fork
0.1 mi·9 sec
Use the slight right lane.
19
Merge onto I 5 Truck
1.0 mi·1 min·I 5 Truck
Exit 161A
20
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
21
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
22
Keep slight right at fork onto I 5
226 mi·4 hr 1 min·Westside Freeway
Toward I 5 NorthUse the straight / slight right lanes.
23
Keep slight left at fork onto I 580
16 mi·17 min·William Elton Brown Freeway
Toward I 580 West: Tracy, San Francisco
24
Keep slight right at fork onto I 580 Bypass
1.1 mi·1 min·William Elton Brown Freeway
25
Merge onto I 580
18 mi·20 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
26
Keep slight right at fork onto I 580
1.6 mi·1 min·Arthur H. Breed Junior Freeway
27
Take the exit
0.2 mi·16 sec
Exit 44BToward I 680 South, I 680 North: San Jose, Sacramento, Concord, Walnut CreekUse the slight right lane.
28
Keep slight right at fork
0.3 mi·30 sec
Toward I 680 North: Walnut Creek, Concord, SacramentoUse the straight / slight right lanes.
29
Merge onto I 680
15 mi·17 min·Donald D Doyle Highway
Use the straight / slight right lanes.
30
Continue on I 680
5.0 mi·5 min·Senator Daniel E Boatwright Highway
Toward I 680, CA 24Use the straight / slight right lanes.
31
Keep slight left at fork onto I 680
6.0 mi·6 min·Senator Daniel E Boatwright Highway
Toward I 680 North: Martinez, SacramentoUse the straight / slight right lanes.
32
Keep slight left at fork onto I 680
243 ft·3 sec·Senator Daniel E Boatwright Highway
33
Keep slight right at fork onto I 680
1.8 mi·2 min·Senator Daniel E Boatwright Highway
Use the slight right lane.
34
Keep slight left at fork onto I 780
6.7 mi·7 min·I 780
Toward I 780: BeniciaUse the straight / slight right lanes.
35
Take the exit
0.3 mi·33 sec
Exit 1BToward I 80 East: SacramentoUse the slight right lane.
36
Keep slight left at fork
448 ft·11 sec
Toward I 80 East: SacramentoUse the slight left lane.
37
Merge onto I 80
2.7 mi·3 min·Dwight D. Eisenhower Highway
Use the straight / slight right lanes.
38
Take the exit
0.1 mi·18 sec
Exit 33Toward CA 37: Napa, Novato, Auto Mall, Columbus ParkwayUse the straight / slight right lanes.
39
Keep slight left at fork
0.5 mi·1 min
Toward CA 37: NapaUse the straight / slight right lanes.
40
Continue on CA 37
1.5 mi·1 min·CA 37
Toward CA 37Use the straight / slight right lanes.
41
Take the exit
0.4 mi·51 sec
Exit 19Toward CA 29: Napa, Sonoma BoulevardUse the straight / slight right lanes.
42
Turn right onto CA 29
1.6 mi·1 min·Sonoma Boulevard
Use the right lane.
43
Continue on CA 29
4.0 mi·4 min·Broadway Street
Use the straight lane.
44
Continue on CA 29
1.3 mi·1 min·Napa–Vallejo Highway
Use the left lane.
45
Continue on CA 12; CA 29
22 mi·25 min·Saint Helena Highway
Use the straight / slight right lanes.
46
Continue on CA 29; CA 128
2.4 mi·2 min·Main Street
47
Continue on CA 29; CA 128
6.8 mi·7 min·Saint Helena Highway
48
Continue on CA 128
1.4 mi·1 min·Foothill Boulevard
49
Continue on CA 128
16 mi·18 min·Saint Helena Highway
50
Continue on CA 128
6.6 mi·7 min·Saint Helena Highway
51
At end of road, turn right onto CA 128
0.9 mi·1 min·Geyserville Avenue
52
Turn left onto CA 128
359 ft·6 sec·Canyon Road
53
Take the exit onto CA 128
0.3 mi·39 sec·CA 128
54
Merge onto US 101; CA 128
55 mi·1 hr 7 min·Redwood Highway
Use the straight / slight right lanes.
55
Continue on US 101
4.5 mi·5 min·Willits Bypass
Use the straight / slight right lanes.
56
Take the exit
0.7 mi·48 sec
57
Merge onto US 101
0.2 mi·16 sec·Willits Bypass
58
Continue on US 101
105 mi·2 hr 11 min·Redwood Highway
Use the straight / slight right lanes.
59
Take the exit
0.2 mi·28 sec
Toward Rio Dell, ScotiaUse the slight right lane.
60
Turn left onto CA 283
317 ft·8 sec·CA 283
61
Turn right onto CA 283
464 ft·9 sec·Main Street
62
Continue on CA 283
0.2 mi·23 sec·Eagle Prairie Bridge
63
Continue on Wildwood Avenue
0.5 mi·1 min·Wildwood Avenue
64
Turn left onto West Davis Street
84 ft·3 sec·West Davis Street
65
Arrive at destination
West Davis Street
Trip Plan
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 3 meaningful breaks for fuel, food, and rest.
The halfway point lands around 334.4 miles from Riverside, CA, or about 6h 16m into the drive.
The longest continuous stretch on this route runs about 225.6 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 147 miles or 2h 55m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 334.4 miles or 6h 16m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 334.4 miles or 6h 16m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 11h 40m
Traffic, exits, and arrival timing usually matter more near Rio Dell, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Riverside, CA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Riverside, CA
Aim for roughly 334 miles and 6.5 hours of wheel time on this day.
Day 2
Finish the approach into Rio Dell, CA
Aim for roughly 334 miles and 6.5 hours of wheel time on this day.
Your first comfortable stop window is around 147 miles from Riverside, CA.
This route usually feels better as a 2-day drive than as one long push.
Plan about 3 real breaks rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 225.6 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 334.4 mi from Riverside, CA
· 6h 16m into the drive
The midpoint is around 334.4 miles from Riverside, CA, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel check
Top up before Westside Freeway if your tank is already low. That segment runs about 225.6 miles.
Overnight split
Hotel stop
For a steadier pace, wrap day one after about 334 miles or 6.5 hours on the road.
Arriving in Rio Dell, CA
The final approach into Rio Dell, CA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Rio Dell, CA.
On a multi-day trip, keep the last day a little lighter so you reach Rio Dell, CA with some flexibility left in the schedule.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
National Parks Near This Route
Worth a detour if your schedule allows.
Port Chicago Naval Magazine National Memorial
National Memorial
On July 17, 1944, a massive explosion jolted the San Francisco East Bay area, shattering windows and lighting up the night sky. At Port Chicago Naval Magazine, 320 men were killed instantly when two s...
10 mi from route
~26 min detour
Free
near mile 415.1
Rosie the Riveter WWII Home Front National Historical Park
National Historical Park
Celebrate and honor the contributions and sacrifices of American civilians on the WWII home front. Discover how diverse communities lived, worked, and interacted. Many faces, many stories, many truths...
16 mi from route
~40 min detour
Free
near mile 415.1
Established in 1988, San Francisco Maritime National Historical Park celebrates America’s maritime heritage on the Pacific Coast. Our 50-acre park has grown around Aquatic Park Cove, a protected area...
21 mi from route
~52 min detour
Free
near mile 415.1
Walk among old growth coast redwoods, cooling their roots in the fresh water of Redwood Creek and lifting their crowns to reach the sun and fog. Federally protected as a National Monument since 1908,...
25 mi from route
~62 min detour
$15
near mile 438.1
The Santa Monica Mountains offer easy access to surprisingly wild places. Experience the famous beaches of Malibu or explore more than 500 miles of trails. The park abounds with historical and cultura...
25 mi from route
~62 min detour
Free
near mile 69.2
Yes, we can! Widely recognized as the most important Latino leader in the United States during the twentieth century, Cesar Chavez led farm workers and supporters in the establishment of the country's...
27 mi from route
~67 min detour
Free
near mile 138.4
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$153.70 one way
$307.39 round trip
$5.84/gal25.4 MPG avg234 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$158.38
$316.76
premium
$6.18
$162.62
$325.24
diesel
$5.61
$147.64
$295.28
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$154
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$284–$394
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 234 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $70 in charging
· 2 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
200.6
2
$70.21
$32.10
Efficient EV
167.2
1
$58.51
$26.75
EV Truck/SUV
267.5
3
$93.62
$42.80
Gas CO2
234 kg
EV CO2
78 kg (67% less)
Plan for 2 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Riverside, CA
Morning
in Riverside on Thursday
Local time
11:18 AM
PDT
Current temp
52°F
Unavailable
Live forecast
Destination
Rio Dell, CA
Morning
in Rio Dell on Thursday
Local time
11:18 AM
PDT
Current temp
55°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
3 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
12h 55m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Riverside, CA to Rio Dell, CA covers 668.7 miles and takes about 12h 55m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Westside Freeway, Redwood Highway, Saint Helena Highway. Expect a mix of highway and local road driving.
Consider an overnight stop or starting very early.
Yes. This route is usually more comfortable as a 2-day drive. A sensible stopping point is after roughly 334 miles on day one.
The midpoint is about 334.4 miles from Riverside, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $153.70 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 3 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 49 significant decision points across 668.7 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 22.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 50.4 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 397.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Riverside, CA and Rio Dell, CA, road signs point toward San Francisco, Sacramento, Concord, Walnut Creek, Novato and Auto Mall.
Yes. Nearby national parks include Port Chicago Naval Magazine National Memorial, Rosie the Riveter WWII Home Front National Historical Park and San Francisco Maritime National Historical Park. There are 6 parks within detour distance of this route.
