How far is San Bernardino, CA from Ontario, CA?
The driving distance from San Bernardino, CA to Ontario, CA is about 24.2 miles (39 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 20.9 miles (33.6 km).
- For a round trip, plan for roughly 01h 03m 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 31m.
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 second most populous city in San Bernardino County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Bernardino and Ontario.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Bernardino and Ontario.
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1
Start on West 5th Street
1.2 km · 2 min · West 5th Street
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2
Take the ramp left toward I 215 South: Riverside
1641 ft · 42 sec
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3
Merge slight left onto San Bernardino Freeway
2.4 mi · 3 min · San Bernardino Freeway
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4
Take the exit slight right toward I 10: Redlands, Indio, Los Angeles
1187 ft · 29 sec
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5
Keep slight right to continue on I 10 West: Los Angeles
2017 ft · 35 sec
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6
Continue on San Bernardino Freeway
13.9 mi · 16 min · San Bernardino Freeway
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7
Keep slight left to continue on I-10 Metro ExpressLanes
1.7 mi · 2 min · I-10 Metro ExpressLanes
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8
Take the exit slight right
110 m · 9 sec
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9
Merge slight right onto San Bernardino Freeway
1.2 mi · 1 min · San Bernardino Freeway
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10
Take the exit slight right toward Holt Boulevard
1.1 km · 1 min
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11
Keep slight left
645 ft · 18 sec
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12
Continue on Holt Boulevard
2.7 mi · 5 min · Holt Boulevard
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13
Arrive at your destination
0 m · 1 sec · Holt Boulevard
Car Route Details
A richer read on the saved driving route between San Bernardino and Ontario.
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.
San Bernardino Freeway
Continue on San Bernardino Freeway
13.9 mi · 00h 16m
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.
Sunny leaving San Bernardino and Mostly Sunny near Ontario.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Bernardino to Ontario?
The road trip is about 24.2 miles (39 km) and usually takes 00h 31m 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?
Fontana is a useful midpoint, sitting about 12.1 miles from San Bernardino and 12.1 miles from Ontario.
How much longer is the road route than the straight-line distance?
The direct path is about 20.9 miles (33.6 km), while the road route adds roughly 3.3 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:26 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.96 one way or $9.92 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around San Bernardino and Mostly Sunny near Ontario.
Stop Ideas Near Fontana
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall
San Bernardino County Land Use
Cucamonga Sign Shop LLC
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fontana.
San Bernardino Santa Fe Depot
Riverside–Downtown
Ontario
Moreno Valley, California
Flight Path Map
This map shows the direct air route between San Bernardino and Ontario. Straight-line distance: 20.9 mi (33.63 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 Ontario
The second most populous city in San Bernardino County, California.
| Population | 183,393 |
| Coordinates | 34.0633400, -117.6508900 |
| Altitude | 306 |
| Country | United States |
End: Holt Boulevard (-117.65089, 34.063361)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $4.96 | $9.92 |
| Mid-grade | $6.07 | $5.22 | $10.43 |
| Premium | $6.24 | $5.37 | $10.74 |
| Diesel | $7.57 | $6.51 | $13.02 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.