How far is San Diego, CA from Santa Monica, CA?
The driving distance from San Diego, CA to Santa Monica, CA is about 133.4 miles (214.7 km), with a travel time of about 02h 37m by car.
- The straight-line flight distance is about 118.2 miles (190.2 km).
- For a round trip, plan for roughly 05h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 02h 37m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Orange County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Diego and Santa Monica.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Santa Monica.
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1
Start on Front Street
8 m · 6 sec · Front Street
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2
Turn left onto West Broadway
88 m · 12 sec · West Broadway
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3
Turn left onto 1st Avenue
3072 ft · 1 min · 1st Avenue
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4
Take the ramp left toward I 5 North: Los Angeles
1017 ft · 25 sec
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5
Merge slight left onto San Diego Freeway
13.5 mi · 16 min · San Diego Freeway
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6
Keep slight left to continue on San Diego Freeway
36.3 mi · 43 min · San Diego Freeway
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7
Keep slight right to continue on San Diego Freeway
18.1 mi · 21 min · San Diego Freeway
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8
Keep slight right to continue on San Joaquin Hills Transportation Corridor
14.1 mi · 16 min · San Joaquin Hills Transportation Corridor
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9
Continue on Corona Del Mar Freeway
4 mi · 5 min · Corona Del Mar Freeway
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10
Merge slight left onto San Diego Freeway
9.6 mi · 11 min · San Diego Freeway
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11
Keep slight left
32.9 mi · 38 min
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12
Take the exit slight right toward I 10: Santa Monica, Los Angeles
861 ft · 21 sec
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13
Keep slight left to continue on I 10 West: Santa Monica
1.1 km · 1 min
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14
Merge slight left onto Santa Monica Freeway
2.6 mi · 3 min · Santa Monica Freeway
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15
Take the exit slight right toward CA 1 South: Lincoln Boulevard
1062 ft · 26 sec
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16
Turn straight onto Olympic Boulevard
146 m · 15 sec · Olympic Boulevard
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17
Turn right onto Lincoln Boulevard
2126 ft · 1 min · Lincoln Boulevard
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18
Arrive at your destination
0 m · 1 sec · Lincoln Boulevard
Car Route Details
A richer read on the saved driving route between San Diego and Santa Monica.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
San Diego Freeway
Keep slight left to continue on San Diego Freeway
36.3 mi · 00h 43m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving San Diego and Mostly Sunny near Santa Monica.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Santa Monica?
The road trip is about 133.4 miles (214.7 km) and usually takes 02h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
San Juan Capistrano is a useful midpoint, sitting about 66.7 miles from San Diego and 66.7 miles from Santa Monica.
How much longer is the road route than the straight-line distance?
The direct path is about 118.2 miles (190.2 km), while the road route adds roughly 15.2 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 1:14 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.17 one way or $54.34 round trip. Estimated CO2 is about 41.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Diego and Mostly Sunny near Santa Monica.
Stop Ideas Near San Juan Capistrano
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Blue Lantern Inn, A Four Sisters Inn
The Ritz-Carlton, Laguna Niguel
City of Lake Forest
Laguna Niguel City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to San Juan Capistrano.
San Juan Capistrano
San Clemente Pier station
Irvine Transportation Center
Santa Ana Regional Transportation Center
Flight Path Map
This map shows the direct air route between San Diego and Santa Monica. Straight-line distance: 118.2 mi (190.23 km).
#1 San Diego
The eighth most populous city in the United States and the center of the San Diego metropolitan area.
| Population | 1,422,420 |
| Coordinates | 32.7157100, -117.1647200 |
| Altitude | 20 |
| Country | United States |
#2 Santa Monica
A city in Los Angeles County, California.
| Population | 90,024 |
| Coordinates | 34.0194500, -118.4911900 |
| Altitude | 32 |
| Country | United States |
End: Santa Monica (-118.49119, 34.01945)
Estimated Travel Time
Distance: 215 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 26m |
| 40 mph (64.37 km/h) | 03h 20m |
| 50 mph (80.47 km/h) | 02h 40m |
| 60 mph (96.56 km/h) | 02h 13m |
| 70 mph (112.65 km/h) | 01h 54m |
| 80 mph (129 km/h) | 01h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $27.17 | $54.34 |
| Mid-grade | $6.07 | $28.57 | $57.14 |
| Premium | $6.24 | $29.40 | $58.81 |
| Diesel | $7.57 | $35.64 | $71.28 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in California · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.