Origin
Alta Sierra, CA
Afternoon in Alta Sierra on Sunday
Local time
3:01 PM
PDT
Current temp
41°F
Unavailable
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Create accountDrive Time
4h 17m
Distance
198.9 mi
320 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$46
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Alta Sierra, CA
Charlie Jordan
Riverside, CA
Stephen Leonardi
Spanning 198.9 miles from Alta Sierra to Riverside, this California road trip takes approximately 4 hours and 17 minutes to complete. Because the duration is manageable, you can comfortably tackle this as a single-day journey without needing an overnight stay. You will traverse a blend of routes, primarily utilizing the Blue Star Memorial Highway, Isabella Walker Pass Road, and the Barstow and Mojave Freeway. Budget about $46 for fuel to cover the distance between these two Pacific Coast locations. It is a straightforward trip that fits well into a busy weekend schedule, offering a clear path through the region.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
99.4 miles from Alta Sierra, CA
A natural place for your longest stop of the day , about 2h 19m into the drive .
Expect a turn-heavy local drive that demands your full attention behind the wheel. Only 17% of the journey is spent on major highways, meaning you will navigate a significant amount of local infrastructure rather than monotonous interstate stretches. You should prepare for a primary segment involving 91 miles on the Blue Star Memorial Highway, which serves as the longest uninterrupted portion of your trip. The transition between different road types creates a varied driving experience that shifts from technical local navigation to more sustained highway cruising as you progress toward Riverside.
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 15 points where you need to pay attention to lane position or signs. The trickiest moment comes around 7.8 miles in near CA 155 / Wofford Heights Boulevard.
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 198.9 miles you will encounter 15 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 7.8 miles (CA 155 / Wofford Heights Boulevard): Sharp turn - reduce speed on approach; at 14.4 miles: Lane positioning matters here; at 158 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn sharp right onto CA 155 / Wofford Heights Boulevard
Sharp turn - reduce speed on approach
Turn left toward CA 178
Lane positioning matters here
Take the exit toward I 15 South: San Bernardino, Los Angeles
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight left at fork onto I 215 / Barstow Freeway
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward Central Avenue, Riverside Plaza Avenue
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
On the drive from Alta Sierra, CA to Riverside, CA, road signs begin pointing toward Los Angeles along the way.
Los Angeles
| Road | Distance | Duration |
|---|---|---|
| Blue Star Memorial Highway | 91 mi | 1h 49m |
| Isabella Walker Pass Road | 43.5 mi | 1h 4m |
| Barstow and Mojave Freeway | 9.7 mi | 10m |
| Barstow Freeway | 9.5 mi | 10m |
| Riverside Freeway | 8.9 mi | 10m |
| Evans Road | 7.3 mi | 10m |
| Wofford Heights Boulevard | 6.6 mi | 9m |
| CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway | 5.6 mi | 6m |
Step-by-step road directions between Alta Sierra, CA and Riverside, CA.
Start on Old State Road
Continue on Old State Road
Turn right onto CA 155
Turn sharp right onto CA 155
Turn left
Merge onto CA 178
Turn left onto CA 14; CA 178; US 6 Hist
Continue on CA 14; CA 178; US 6 Hist
Turn right onto CA 178
Take the ramp
Merge onto US 395
Continue on US 395
Continue on US 395
Take the exit
Merge onto I 15; US 66 Hist
Continue on I 15; US 66 Hist; US 91 Hist; US 395 Hist
Continue on I 15; US 66 Hist
Continue on I 215
Keep slight left at fork onto I 215
Continue on I 215
Continue on I 215
Continue on CA 91
Take the exit
Turn right onto Central Avenue
Turn slight left
Arrive at destination
Given the turn-heavy nature of this 198.9-mile route, planning for at least one dedicated stop is essential to maintain your focus. Since the drive is relatively short, you have the flexibility to depart whenever suits your schedule, though leaving early helps you avoid potential traffic buildup on local roads. Be mindful that the limited highway share means your speed will fluctuate throughout the day, so factor in extra time for those slower, winding sections. Prioritize fueling up before you hit the longer stretches of the Blue Star Memorial Highway to ensure you stay within your $46 fuel budget without stress.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 55m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 99.4 miles or 2h 19m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 36m
Traffic, exits, and arrival timing usually matter more near Riverside, CA than in the middle of the route.
Open the route before leaving Alta Sierra, 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.
Day 1
Settle into the route from Alta Sierra, CA
This is one driving day of about 198.9 miles and 4h 17m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 99.4 mi from Alta Sierra, CA · 2h 19m into the drive
Mid-route town
Meal stop
99 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 99.4 miles from Alta Sierra, CA, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Blue Star Memorial Highway if your tank is already low. That segment runs about 91 miles.
The final approach into Riverside, 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 Riverside, CA.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$46.06 one way
$92.12 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.07 | $47.50 | $95.00 |
| premium | $6.24 | $48.89 | $97.77 |
| diesel | $5.64 | $44.19 | $88.38 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$46
Meals
$25–$50
Total
$71–$96
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 69.6 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $21 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 59.7 | 0 | $20.88 | $9.55 |
| Efficient EV | 49.7 | 0 | $17.40 | $7.96 |
| EV Truck/SUV | 79.6 | 0 | $27.85 | $12.73 |
Gas CO2
70 kg
EV CO2
23 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Afternoon in Alta Sierra on Sunday
Local time
3:01 PM
PDT
Current temp
41°F
Unavailable
Destination
Afternoon in Riverside on Sunday
Local time
3:01 PM
PDT
Current temp
53°F
Unavailable
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.
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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