How far is San Diego, CA from Colma, CA?
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 09h 24m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Showers And Thunderstorms Likely
Driving Route Map
Road route is being refreshed. This page currently uses an estimated driving distance.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Colma.
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving San Diego and Showers And Thunderstorms Likely near Colma.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Colma?
The road trip is about 536.5 miles (863.4 km) and usually takes 09h 24m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Taft Heights is a useful midpoint, sitting about 227.4 miles from San Diego and 309.2 miles from Colma.
How much longer is the road route than the straight-line distance?
The direct path is about 454.7 miles (731.7 km), while the road route adds roughly 81.8 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 6:00 AM to 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $109.21 one way or $218.41 round trip. Estimated CO2 is about 168.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Diego and Showers And Thunderstorms Likely near Colma.
Stop Ideas Near Taft Heights
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Taft Heights.
Bakersfield
Wasco station
Carpinteria station
Santa Barbara
Flight Path Map
This map shows the direct air route between San Diego and Colma. Straight-line distance: 454.66 mi (731.71 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 Colma
Town in California, United States
| Population | 1,689 |
| Coordinates | 37.6768800, -122.4596900 |
| Altitude | 37 |
| Country | United States |
End: Colma (-122.45969, 37.67688)
Estimated Travel Time
Distance: 863 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 52m |
| 40 mph (64.37 km/h) | 13h 24m |
| 50 mph (80.47 km/h) | 10h 43m |
| 60 mph (96.56 km/h) | 08h 56m |
| 70 mph (112.65 km/h) | 07h 39m |
| 80 mph (129 km/h) | 06h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $109.21 | $218.41 |
| Mid-grade | $6.07 | $114.83 | $229.66 |
| Premium | $6.24 | $118.18 | $236.36 |
| Diesel | $7.57 | $143.24 | $286.49 |
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 10, 2026