How far is Duarte, CA from San Bernardino, CA?
The driving distance from Duarte, CA to San Bernardino, CA is about 42.9 miles (69 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 39.4 miles (63.4 km).
- For a round trip, plan for roughly 01h 48m 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 00h 54m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 in San Bernardino County, California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Duarte and San Bernardino.
Turn-by-Turn Driving Directions
Step-by-step road directions between Duarte and San Bernardino.
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1
Start on the route
63 m · 17 sec
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2
At the end of the road, turn right
25 m · 11 sec
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3
Turn left onto Buena Vista Street
1461 ft · 44 sec · Buena Vista Street
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4
Take the ramp left toward I 210 East: San Bernardino
1371 ft · 35 sec
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5
Merge slight left onto Foothill Freeway
7.8 mi · 9 min · Foothill Freeway
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6
Keep slight right to continue on Foothill Freeway
2.9 mi · 3 min · Foothill Freeway
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7
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
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8
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
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9
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
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10
Keep slight right to continue on Foothill Freeway
22.8 mi · 26 min · Foothill Freeway
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11
Take the exit slight right toward I 215: Barstow, Riverside
1209 ft · 29 sec
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12
Keep slight right to continue on I 215 South: Riverside
3196 ft · 1 min
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13
Merge slight left onto Barstow Freeway
1033 ft · 14 sec · Barstow Freeway
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14
Continue on San Bernardino Freeway
1.8 mi · 2 min · San Bernardino Freeway
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15
Take the exit slight right toward CA 66 West: 5th Street, Civic Center
1873 ft · 53 sec
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16
Turn left onto West 5th Street
1.2 km · 2 min · West 5th Street
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17
Arrive at your destination
0 m · 1 sec · West 5th Street
Car Route Details
A richer read on the saved driving route between Duarte and San Bernardino.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Foothill Freeway
Keep slight right to continue on Foothill Freeway
22.8 mi · 00h 26m
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.
Mostly Sunny leaving Duarte and Sunny near San Bernardino.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Duarte to San Bernardino?
The road trip is about 42.9 miles (69 km) and usually takes 00h 54m 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?
San Antonio Heights is a useful midpoint, sitting about 21.3 miles from Duarte and 21.7 miles from San Bernardino.
How much longer is the road route than the straight-line distance?
The direct path is about 39.4 miles (63.4 km), while the road route adds roughly 3.5 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 4:42 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.71 one way or $17.42 round trip. Estimated CO2 is about 13.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Duarte and Sunny near San Bernardino.
Stop Ideas Near San Antonio Heights
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Your Home Away From Home
Ayres Hotel Chino Hills
City Hall
Chino City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to San Antonio Heights.
Claremont, California
Ontario
Pomona station
San Bernardino Santa Fe Depot
Flight Path Map
This map shows the direct air route between Duarte and San Bernardino. Straight-line distance: 39.38 mi (63.38 km).
#1 Duarte
City in Los Angeles County, California, United States of America
| Population | 21,001 |
| Coordinates | 34.1394500, -117.9772900 |
| Altitude | 156 |
| Country | United States |
#2 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 |
End: West 5th Street (-117.289794, 34.108326)
Estimated Travel Time
Distance: 69 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 25m |
| 40 mph (64.37 km/h) | 01h 04m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $8.71 | $17.42 |
| Mid-grade | $6.07 | $9.16 | $18.32 |
| Premium | $6.24 | $9.43 | $18.85 |
| Diesel | $7.57 | $11.43 | $22.85 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.