How far is Duarte, CA from Fontana, CA?
The driving distance from Duarte, CA to Fontana, CA is about 35.2 miles (56.6 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 31.2 miles (50.2 km).
- For a round trip, plan for roughly 01h 26m 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 43m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Duarte and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Duarte and Fontana.
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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
16.1 mi · 19 min · Foothill Freeway
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11
Take the exit slight right toward Sierra Avenue
1796 ft · 46 sec
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12
Turn right onto Sierra Avenue
3 mi · 5 min · Sierra Avenue
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13
Turn left onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
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14
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between Duarte and Fontana.
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
16.1 mi · 00h 19m
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.
Mostly Sunny leaving Duarte and Mostly Sunny near Fontana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Duarte to Fontana?
The road trip is about 35.2 miles (56.6 km) and usually takes 00h 43m 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?
San Antonio Heights is a useful midpoint, sitting about 17.6 miles from Duarte and 17.6 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 31.2 miles (50.2 km), while the road route adds roughly 4 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 7:04 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.15 one way or $14.31 round trip. Estimated CO2 is about 11 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Duarte and Mostly Sunny near Fontana.
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
Chino City Hall
Cucamonga Sign Shop LLC
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 Fontana. Straight-line distance: 31.19 mi (50.19 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 Fontana
The second most populous city in San Bernardino County, California.
| Population | 216,173 |
| Coordinates | 34.0922300, -117.4350500 |
| Altitude | 377 |
| Country | United States |
End: Fontana (-117.43505, 34.09223)
Estimated Travel Time
Distance: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 10m |
| 40 mph (64.37 km/h) | 00h 52m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $7.15 | $14.31 |
| Mid-grade | $6.07 | $7.52 | $15.04 |
| Premium | $6.24 | $7.74 | $15.48 |
| Diesel | $7.57 | $9.38 | $18.77 |
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.