Origin
Menlo Park, CA
Evening in Menlo Park on Wednesday
Local time
7:46 PM
PDT
Current temp
50°F
Unavailable
Live forecast
Trip from Menlo Park, CA to San Diego, CA
Last recalculated Apr 16, 2026
Drive Time
8h 4m
Distance
485.9 mi
782 km
Drive Score
7/10
Good drive
Same Day?
2-day trip
Fuel Cost
$112
one way
Best Time to Leave
4 AM
7h 56m
★
6 AM
8h 4m
8 AM
8h 21m
10 AM
8h 10m
12 PM
8h 8m
3 PM
8h 11m
5 PM
8h 20m
8 PM
7h 59m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Menlo Park, CA
Wikimedia Commons
San Diego, CA
Wikimedia Commons
Trip Overview
The drive from Menlo Park, CA to San Diego, CA covers 485.9 miles and takes about 8h 4m behind the wheel. It usually feels better as a 2-day road trip than as one long push.
The route leans on Merrill Street, Santa Cruz Avenue, El Camino Real for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $111.68 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
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
243 miles from Menlo Park, CA
A natural place for your longest stop of the day , about 4h 2m into the drive .
Drive Character
Expect a 8h 4m drive with frequent turns across 485.9 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 41 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Merrill Street is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Route Complexity
4/10
Easy - simple navigation with a manageable amount of wheel time
The route itself is not hard, but at 8h 4m, endurance matters. Plan breaks every 2-3 hours. The 0 decision points are all manageable with basic attention.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Menlo Park, CA to San Diego, CA is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Merrill Street | — | — |
| Santa Cruz Avenue | — | — |
| El Camino Real | — | — |
| Ravenswood Avenue | — | — |
| Middlefield Road | — | — |
| Willow Road | — | — |
| US 101 South | — | — |
| Bayshore Freeway | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
Merrill Street
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Menlo Park, CA and San Diego, CA.
1
Start on the route
121 ft
·
14 sec
·
the route
2
Turn left
39 ft
·
7 sec
3
Turn left onto Merrill Street
259 ft
·
19 sec
·
Merrill Street
4
Turn left onto Santa Cruz Avenue
308 ft
·
13 sec
·
Santa Cruz Avenue
5
Turn left onto El Camino Real
446 ft
·
16 sec
·
El Camino Real
6
Turn left onto Ravenswood Avenue
0.6 mi
·
1 min
·
Ravenswood Avenue
7
Turn right onto Middlefield Road
0.8 mi
·
1 min
·
Middlefield Road
8
Turn left onto Willow Road
1.0 mi
·
3 min
·
Willow Road
9
Take the ramp straight toward US 101 South: San Jose
0.3 mi
·
37 sec
·
US 101 South: San Jose
10
Merge slight left onto Bayshore Freeway
5.7 mi
·
6 min
·
Bayshore Freeway
11
Keep slight left to continue on Bayshore Freeway
42 mi
·
48 min
·
Bayshore Freeway
12
Take the exit slight right toward CA 152 East: 10th Street, Pacheco Pass Road
0.3 mi
·
40 sec
·
CA 152 East: 10th Street, Pacheco Pass Road
13
Turn left onto East 10th Street
354 ft
·
13 sec
·
East 10th Street
14
Continue on Pacheco Pass Highway
41 mi
·
50 min
·
Pacheco Pass Highway
15
Take the exit slight right toward I 5: Los Angeles
0.6 mi
·
1 min
·
I 5: Los Angeles
16
Merge slight left onto Westside Freeway
181 mi
·
3 hr 14 min
·
Westside Freeway
17
Keep slight right
58 mi
·
1 hr 6 min
18
Keep slight left to continue on Golden State Freeway
4.1 mi
·
4 min
·
Golden State Freeway
19
Keep slight right to continue on I 405 South
0.3 mi
·
18 sec
·
I 405 South
20
Keep slight left
25 mi
·
29 min
21
Keep slight left to continue on Golden State Freeway
1.3 mi
·
1 min
·
Golden State Freeway
22
Merge slight left onto Santa Ana Freeway
26 mi
·
30 min
·
Santa Ana Freeway
23
Keep slight right to continue on Santa Ana Freeway
0.2 mi
·
16 sec
·
Santa Ana Freeway
24
Take the exit slight right toward Broadway, Main Street, Santa Ana
0.8 mi
·
57 sec
·
Broadway, Main Street, Santa Ana
25
Keep slight left
0.1 mi
·
10 sec
26
Keep slight left to continue on I 5 South
0.2 mi
·
13 sec
·
I 5 South
27
Merge slight left onto Santa Ana Freeway
0.8 mi
·
54 sec
·
Santa Ana Freeway
28
Keep slight right to continue on Santa Ana Freeway
0.8 mi
·
52 sec
·
Santa Ana Freeway
29
Keep slight right to continue on Santa Ana Freeway
1.2 mi
·
1 min
·
Santa Ana Freeway
30
Take the exit slight right toward Newport Avenue
0.7 mi
·
1 min
·
Newport Avenue
31
Turn right onto Newport Avenue
0.4 mi
·
44 sec
·
Newport Avenue
32
Turn left onto Walnut Avenue
2.2 mi
·
4 min
·
Walnut Avenue
33
Turn left onto Jamboree Road
0.5 mi
·
38 sec
·
Jamboree Road
34
Take the exit slight right toward I 5 South
0.3 mi
·
21 sec
·
I 5 South
35
Merge slight left onto Santa Ana Freeway
5.5 mi
·
6 min
·
Santa Ana Freeway
36
Keep slight left to continue on Santa Ana Freeway
0.8 mi
·
56 sec
·
Santa Ana Freeway
37
Merge slight right onto San Diego Freeway
76 mi
·
1 hr 29 min
·
San Diego Freeway
38
Take the exit slight right toward Front Street, Civic Center, 2nd Avenue
0.2 mi
·
28 sec
·
Front Street, Civic Center, 2nd Avenue
39
Keep slight right to continue on Front Street, Civic Center
0.1 mi
·
15 sec
·
Front Street, Civic Center
40
Continue on Front Street
0.5 mi
·
1 min
·
Front Street
41
Arrive at your destination
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 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 243 miles from Menlo Park, CA, or about 4h 2m into the drive.
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 107 miles or 1h 46m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 243 miles or 4h 2m 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 243 miles or 4h 2m
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 7h 4m
Traffic, exits, and arrival timing usually matter more near San Diego, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Menlo Park, 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 Menlo Park, CA
Aim for roughly 243 miles and 4 hours of wheel time on this day.
Day 2
Finish the approach into San Diego, CA
Aim for roughly 243 miles and 4 hours of wheel time on this day.
Your first comfortable stop window is around 107 miles from Menlo Park, CA.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 243 mi from Menlo Park, CA · 4h 2m into the drive
Mid-route town
Overnight candidate
243 mi into the route
Best for: Hotel check-in, dinner, and a fresh start
This lines up well with a realistic day-end stop if you are breaking the drive into stages.
Find hotels in Santa Clarita, CAOvernight Options
Night 1
243 mi · about 4h in
A practical overnight split lands near Santa Clarita, CA after about 243 miles or 4 hours of driving.
Find hotelsPacing Suggestions
Fuel and coffee
A short stop after about 107 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 243 miles from Menlo Park, CA, which is a good place for a longer meal and fuel stop.
Overnight split
Hotel stopFor a steadier pace, wrap day one after about 243 miles or 4 hours on the road.
Arriving in San Diego, CA
The final approach into San Diego, 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 San Diego, CA.
On a multi-day trip, keep the last day a little lighter so you reach San Diego, CA with some flexibility left in the schedule.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$111.68 one way
$223.36 round trip
$5.84/gal
25.4 MPG avg
170 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $115.09 | $230.17 |
| premium | $6.18 | $118.17 | $236.33 |
| diesel | $5.61 | $107.28 | $214.56 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$112
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$242–$352
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 170 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $51 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 145.8 | 1 | $51.02 | $23.32 |
| Efficient EV | 121.5 | 1 | $42.52 | $19.44 |
| EV Truck/SUV | 194.4 | 2 | $68.03 | $31.10 |
Gas CO2
170 kg
EV CO2
57 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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.
Destination
San Diego, CA
Evening in San Diego on Wednesday
Local time
7:46 PM
PDT
Current temp
56°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
6 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
8h 4m 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 Menlo Park, CA to San Diego, CA covers 485.9 miles and takes about 8h 4m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Merrill Street, Santa Cruz Avenue, El Camino Real. 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 243 miles on day one.
The midpoint is about 243 miles from Menlo Park, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $111.68 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 2 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
The route itself is not hard, but at 8h 4m, endurance matters. Plan breaks every 2-3 hours. The 0 decision points are all manageable with basic attention.
This route does not have any notably tricky sections. Most of the drive from Menlo Park, CA to San Diego, CA is straightforward, with well-signed roads and simple exits.
The route from Menlo Park, CA to San Diego, CA does not surface many named destination signs beyond the main corridor.
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