How far is Costa Mesa, CA from San Francisco, CA?

The driving distance from Costa Mesa, CA to San Francisco, CA is about 426.3 miles (686.1 km), with a travel time of about 06h 39m by car.

  • The straight-line flight distance is about 381.1 miles (613.4 km).
  • For a round trip, plan for roughly 13h 18m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
426.35 mi
06h 39m
Flight
381.12 mi
613.36 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Costa Mesa.

Flight Distance

Direct air line
381.12 mi
Kilometers
613.36 km
Flight Time
00h 46m

Driving Distance

Road route
426.35 mi
Kilometers
686.14 km
Drive Time
06h 39m

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 06h 39m.

Arrival Snapshot
Arrive in San Francisco
Mon, May 4, 1:21 PM PDT
Return by in Costa Mesa
Mon, May 4, 8:00 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Costa Mesa
2026-05-04T06:42
Arrive San Francisco
Mon, May 4, 1:21 PM PDT
Route Timing
06h 39m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
12:39 PM to 2:09 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
10:42 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Costa Mesa
8:00 PM PDT
Overnight-style route

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Kettleman City
CA

Census-designated place in Kings County, California

From Costa Mesa
211.9 mi
03h 19m
To San Francisco
214.5 mi
03h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Monday

Slight Chance Rain Showers

Starts
Mon, May 4 6:00 AM PDT
Wind
5 to 15 mph W
Destination
64°F
Monday

Patchy Fog then Slight Chance Light Rain

Starts
Mon, May 4 6:00 AM PDT
Wind
2 to 9 mph WSW

Driving Route Map

The map below follows the saved road route between Costa Mesa and San Francisco.

Turn-by-Turn Driving Directions

Step-by-step road directions between Costa Mesa and San Francisco.

  1. 1

    Start on Newport Boulevard

    1503 ft · 34 sec · Newport Boulevard

  2. 2

    Continue on Costa Mesa Freeway

    7.6 mi · 9 min · Costa Mesa Freeway

  3. 3

    Keep slight right to continue on Costa Mesa Freeway

    2136 ft · 28 sec · Costa Mesa Freeway

  4. 4

    Take the exit slight right toward I 5 North: Santa Ana

    1.1 km · 47 sec

  5. 5

    Merge slight left onto Santa Ana Freeway

    2756 ft · 36 sec · Santa Ana Freeway

  6. 6

    Keep slight right to continue on Santa Ana Freeway

    1.7 mi · 2 min · Santa Ana Freeway

  7. 7

    Keep slight right to continue on Santa Ana Freeway

    9.4 mi · 11 min · Santa Ana Freeway

  8. 8

    Keep slight right to continue on Santa Ana Freeway

    18 mi · 21 min · Santa Ana Freeway

  9. 9

    Keep slight right to continue on Golden State Freeway

    25.5 mi · 30 min · Golden State Freeway

  10. 10

    Keep slight left to continue on Golden State Freeway

    2.2 mi · 3 min · Golden State Freeway

  11. 11

    Keep slight right to continue on I 5 Truck North, CA 14 Truck

    1.5 mi · 2 min

  12. 12

    Keep slight left

    36.1 mi · 42 min

  13. 13

    Keep slight left to continue on Golden State Freeway

    22.3 mi · 25 min · Golden State Freeway

  14. 14

    Keep slight right to continue on Westside Freeway

    225.6 mi · 4 hr 2 min · Westside Freeway

  15. 15

    Keep slight left to continue on William Elton Brown Freeway

    15.9 mi · 17 min · William Elton Brown Freeway

  16. 16

    Keep slight right to continue on William Elton Brown Freeway

    1.1 mi · 1 min · William Elton Brown Freeway

  17. 17

    Merge slight left onto Arthur H. Breed Junior Freeway

    18 mi · 21 min · Arthur H. Breed Junior Freeway

  18. 18

    Keep slight right to continue on Arthur H. Breed Junior Freeway

    11.6 mi · 13 min · Arthur H. Breed Junior Freeway

  19. 19

    Keep slight right to continue on MacArthur Freeway

    8.3 mi · 10 min · MacArthur Freeway

  20. 20

    Keep slight left to continue on MacArthur Freeway

    7.2 mi · 8 min · MacArthur Freeway

  21. 21

    Take the exit slight left toward I 80 West: San Francisco

    1.5 km · 1 min

  22. 22

    Merge slight right onto Dwight D. Eisenhower Highway

    1015 ft · 17 sec · Dwight D. Eisenhower Highway

  23. 23

    Turn slight left onto Dwight D. Eisenhower Highway

    1959 ft · 33 sec · Dwight D. Eisenhower Highway

  24. 24

    Keep slight left to continue on Dwight D. Eisenhower Highway

    5.5 mi · 8 min · Dwight D. Eisenhower Highway

  25. 25

    Continue on Route 80

    1438 ft · 24 sec · Route 80

  26. 26

    Continue on Route 80

    1.2 km · 1 min · Route 80

  27. 27

    Continue on Route 80

    1893 ft · 32 sec · Route 80

  28. 28

    Keep slight right to continue on US 101 North: Golden Gate Bridge

    1919 ft · 39 sec

  29. 29

    Merge slight right onto Central Freeway

    1462 ft · 25 sec · Central Freeway

  30. 30

    Continue on Octavia Boulevard

    2490 ft · 42 sec · Octavia Boulevard

  31. 31

    Turn right onto Market Street

    629 ft · 32 sec · Market Street

  32. 32

    Keep slight right to continue on Market Street

    961 ft · 35 sec · Market Street

  33. 33

    Arrive at your destination

    0 m · 1 sec · Market Street

Car Route Details

A richer read on the saved driving route between Costa Mesa and San Francisco.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
33 steps
2 turns on the saved route
Ramps & Exits
6
4 merges, 2 ramps or exits
Navigation Density
7.7 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
226 mi · 53%
Golden State Freeway
50 mi · 12%
I 5 Truck North
37.7 mi · 9%
Santa Ana Freeway
29.6 mi · 7%
Arthur H. Breed Junior Freeway
29.6 mi · 7%
William Elton Brown Freeway
17 mi · 4%
Longest Stretch

Westside Freeway

Keep slight right to continue on Westside Freeway

226 mi · 04h 02m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
06h 39m
Overnight route
Same-Day Return
13h 18m
Round-trip wheel time
Road vs Air
+45.2 mi
381.1 mi direct line
Halfway Stop
Kettleman City
03h 19m from Costa Mesa
Leave By
10:42 PM PDT
Overnight-style route
Weather Watch

Slight Chance Rain Showers leaving Costa Mesa and Patchy Fog then Slight Chance Light Rain near San Francisco.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Costa Mesa to San Francisco?

The road trip is about 426.3 miles (686.1 km) and usually takes 06h 39m 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?

Kettleman City is a useful midpoint, sitting about 211.9 miles from Costa Mesa and 214.5 miles from San Francisco.

How much longer is the road route than the straight-line distance?

The direct path is about 381.1 miles (613.4 km), while the road route adds roughly 45.2 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 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 $86.77 one way or $173.53 round trip. Estimated CO2 is about 133.7 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Costa Mesa and Patchy Fog then Slight Chance Light Rain near San Francisco.

Stop Ideas Near Kettleman City

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Kettleman City, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Kettleman City.

BUS

Kettleman City, California

3 mi away
3300 Hubert Way
BUS

Lemoore, California

34 mi away
300 E Street
RAIL

Corcoran station

38 mi away
1099 Otis Ave.
BUS

Lemoore (Naval Air Station), California

41 mi away
25th Ave and Highway 198

Flight Path Map

This map shows the direct air route between Costa Mesa and San Francisco. Straight-line distance: 381.12 mi (613.36 km).

Costa Mesa

#1 Costa Mesa

The most populous city in Orange County, California.

Population112,366
Coordinates33.6411300, -117.9186700
Altitude30
CountryUnited States
San Francisco

#2 San Francisco

The seventeenth most populous city in the United States and the center of the San Francisco Bay Area.

Population866,606
Coordinates37.7749300, -122.4194200
Altitude16
CountryUnited States
Start: CA 55 (-117.918688, 33.641095)
End: Market Street (-122.419433, 37.774953)

Estimated Travel Time

Distance: 686 km by road

SpeedTime
30 mph (48.3 km/h)14h 12m
40 mph (64.37 km/h)10h 39m
50 mph (80.47 km/h)08h 31m
60 mph (96.56 km/h)07h 06m
70 mph (112.65 km/h)06h 05m
80 mph (129 km/h)05h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.04 gal
56.95 L · about $86.77
Round trip
$173.53
30.08 gal · 113.9 L
Estimated CO2
133.7 kg one way
Round trip: 267.3 kg / 589 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $86.77 $173.53
Mid-grade $6.07 $91.23 $182.47
Premium $6.24 $93.89 $187.79
Diesel $7.57 $113.81 $227.62

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 04, 2026

There is no time difference between Costa Mesa and San Francisco. The current time is 06:42:06.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.