How far is La Mesa, CA from San Diego, CA?
The driving distance from La Mesa, CA to San Diego, CA is about 12.8 miles (20.6 km), with a travel time of about 00h 17m by car.
- The straight-line flight distance is about 9 miles (14.5 km).
- For a round trip, plan for roughly 00h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 17m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The most populous city in San Diego County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between La Mesa and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between La Mesa and San Diego.
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1
Start on the route
11 m · 5 sec
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2
Turn right onto University Avenue
24 m · 7 sec · University Avenue
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3
Turn left onto University Avenue
1.5 mi · 2 min · University Avenue
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4
Turn left onto Massachusetts Avenue
1.1 km · 2 min · Massachusetts Avenue
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5
Take the ramp right toward CA 94 West: Martin Luther King Junior Freeway
1171 ft · 31 sec
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6
Merge slight left onto Martin Luther King Junior Freeway
6.8 mi · 7 min · Martin Luther King Junior Freeway
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7
Turn right onto 16th Street
757 ft · 24 sec · 16th Street
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8
Turn left onto Broadway
1.4 km · 2 min · Broadway
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9
Turn left onto Front Street
8 m · 1 sec · Front Street
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10
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between La Mesa and San Diego.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Martin Luther King Junior Freeway
Merge slight left onto Martin Luther King Junior Freeway
6.76 mi · 00h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Patchy Fog then Mostly Sunny leaving La Mesa and Partly Sunny near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from La Mesa to San Diego?
The road trip is about 12.8 miles (20.6 km) and usually takes 00h 17m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
National City is a useful midpoint, sitting about 5.1 miles from La Mesa and 7.7 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 9 miles (14.5 km), while the road route adds roughly 3.8 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:56 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.60 one way or $5.19 round trip. Estimated CO2 is about 4 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog then Mostly Sunny around La Mesa and Partly Sunny near San Diego.
Stop Ideas Near National City
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
El Primero Boutique Hotel
Crown City Inn
Coronado Beach Resort
San Diego County Administration Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to National City.
Santa Fe Depot
Old Town Transit Center
Sorrento Valley station
Solana Beach
Flight Path Map
This map shows the direct air route between La Mesa and San Diego. Straight-line distance: 8.99 mi (14.46 km).
#1 La Mesa
The most populous city in San Diego County, California.
| Population | 59,724 |
| Coordinates | 32.7678300, -117.0230800 |
| Altitude | 161 |
| Country | United States |
#2 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 |
End: Front Street (-117.164717, 32.71571)
Estimated Travel Time
Distance: 21 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 25m |
| 40 mph (64.37 km/h) | 00h 19m |
| 50 mph (80.47 km/h) | 00h 15m |
| 60 mph (96.56 km/h) | 00h 12m |
| 70 mph (112.65 km/h) | 00h 10m |
| 80 mph (129 km/h) | 00h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $2.60 | $5.19 |
| Mid-grade | $6.07 | $2.73 | $5.46 |
| Premium | $6.24 | $2.81 | $5.62 |
| Diesel | $7.57 | $3.41 | $6.81 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.