How far is San Bernardino, CA from Costa Mesa, CA?
The driving distance from San Bernardino, CA to Costa Mesa, CA is about 56.7 miles (91.3 km), with a travel time of about 01h 08m by car.
- The straight-line flight distance is about 48.4 miles (77.9 km).
- For a round trip, plan for roughly 02h 16m 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 01h 08m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 second most populous city in Riverside County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between San Bernardino and Costa Mesa.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Bernardino and Costa Mesa.
-
1
Start on West 5th Street
1.2 km · 2 min · West 5th Street
-
2
Take the ramp left toward I 215 South: Riverside
1641 ft · 42 sec
-
3
Merge slight left onto San Bernardino Freeway
3.1 mi · 4 min · San Bernardino Freeway
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4
Continue on Riverside Freeway
5.3 mi · 6 min · Riverside Freeway
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5
Continue on Riverside Freeway
14.8 mi · 17 min · Riverside Freeway
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6
Take the exit slight right toward Main Street
1526 ft · 20 sec
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7
Continue straight
9.1 mi · 11 min
-
8
Take the exit slight right toward CA 241 South: Irvine
1.2 mi · 1 min
-
9
Continue on Eastern Transportation Corridor
5.7 mi · 7 min · Eastern Transportation Corridor
-
10
Keep slight right to continue on Eastern Transportation Corridor
6.4 mi · 7 min · Eastern Transportation Corridor
-
11
Continue on Jamboree Road
3.4 mi · 5 min · Jamboree Road
-
12
Take the exit slight right toward I 405 North
1538 ft · 22 sec
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13
Merge slight left onto San Diego Freeway
1.1 mi · 1 min · San Diego Freeway
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14
Take the exit slight right toward CA 55 South, CA 55 North: Freeway
1254 ft · 16 sec
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15
Keep slight left to continue on CA 55 South
2922 ft · 38 sec
-
16
Keep slight left to continue on CA 55: Costa Mesa Freeway, Newport Beach
1421 ft · 26 sec
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17
Merge slight left onto Costa Mesa Freeway
3.5 mi · 4 min · Costa Mesa Freeway
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18
Continue on Newport Boulevard
573 ft · 10 sec · Newport Boulevard
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19
Turn right onto West 19th Street
680 ft · 16 sec · West 19th Street
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20
Turn left onto Harbor Boulevard
888 ft · 36 sec · Harbor Boulevard
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21
At the end of the road, turn straight onto Newport Boulevard
23 m · 10 sec · Newport Boulevard
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22
Arrive at your destination
0 m · 1 sec · Newport Boulevard
Car Route Details
A richer read on the saved driving route between San Bernardino and Costa Mesa.
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.
Riverside Freeway
Continue on Riverside Freeway
14.8 mi · 00h 17m
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.
Partly Sunny leaving San Bernardino and Slight Chance Rain Showers near Costa Mesa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Bernardino to Costa Mesa?
The road trip is about 56.7 miles (91.3 km) and usually takes 01h 08m 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?
Corona is a useful midpoint, sitting about 28.4 miles from San Bernardino and 28.4 miles from Costa Mesa.
How much longer is the road route than the straight-line distance?
The direct path is about 48.4 miles (77.9 km), while the road route adds roughly 8.3 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 4:14 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.54 one way or $23.08 round trip. Estimated CO2 is about 17.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around San Bernardino and Slight Chance Rain Showers near Costa Mesa.
Stop Ideas Near Corona
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Embassy Suites by Hilton Anaheim North
City of Riverside
Chino City Hall
Diamond Hills Plaza Shopping Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Corona.
Riverside–Downtown
Ontario
Moreno Valley, California
Pomona station
Flight Path Map
This map shows the direct air route between San Bernardino and Costa Mesa. Straight-line distance: 48.41 mi (77.91 km).
#1 San Bernardino
The second most populous city in San Bernardino County, California.
| Population | 217,491 |
| Coordinates | 34.1083400, -117.2897700 |
| Altitude | 321 |
| Country | United States |
#2 Costa Mesa
The most populous city in Orange County, California.
| Population | 112,366 |
| Coordinates | 33.6411300, -117.9186700 |
| Altitude | 30 |
| Country | United States |
End: Costa Mesa (-117.91867, 33.64113)
Estimated Travel Time
Distance: 91 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 53m |
| 40 mph (64.37 km/h) | 01h 25m |
| 50 mph (80.47 km/h) | 01h 08m |
| 60 mph (96.56 km/h) | 00h 56m |
| 70 mph (112.65 km/h) | 00h 48m |
| 80 mph (129 km/h) | 00h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $11.54 | $23.08 |
| Mid-grade | $6.07 | $12.13 | $24.26 |
| Premium | $6.24 | $12.49 | $24.97 |
| Diesel | $7.57 | $15.13 | $30.27 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.