How far is Westminster, CA from Fontana, CA?
The driving distance from Westminster, CA to Fontana, CA is about 54.7 miles (88.1 km), with a travel time of about 01h 06m by car.
- The straight-line flight distance is about 40 miles (64.4 km).
- For a round trip, plan for roughly 02h 13m 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 06m.
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.
A city in Los Angeles 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 Westminster and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Westminster and Fontana.
-
1
Start on Westminster Boulevard
40 m · 7 sec · Westminster Boulevard
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2
Turn right onto Goldenwest Street
1.6 km · 2 min · Goldenwest Street
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3
Turn right onto Garden Grove Boulevard
19 m · 1 sec · Garden Grove Boulevard
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4
Take the ramp slight right toward CA 22 East: Garden Grove Freeway
2050 ft · 52 sec
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5
Merge slight left onto Garden Grove Freeway
7.5 mi · 9 min · Garden Grove Freeway
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6
Take the exit slight right toward I 5 North, CA 57 North: Los Angeles, Pomona
91 m · 7 sec
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7
Continue on I5 North CA 57 North
1 km · 1 min · I5 North CA 57 North
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8
Keep slight right to continue on CA 57 North: Pomona, Chapman Avenue
1263 ft · 31 sec
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9
Keep slight left to continue on CA 57 North: Pomona
734 ft · 18 sec
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10
Merge slight left onto Orange Freeway
11.4 mi · 13 min · Orange Freeway
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11
Keep slight right to continue on Orange Freeway
2.2 mi · 3 min · Orange Freeway
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12
Keep slight right to continue on Orange Freeway
2.6 mi · 3 min · Orange Freeway
-
13
Merge slight left onto Pomona Freeway
1.2 mi · 1 min · Pomona Freeway
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14
Take the exit slight right toward CA 57 North
3.1 mi · 4 min
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15
Take the exit slight right toward I 10 West, I 10 East: Los Angeles, San Bernardino, Ontario Airport
1093 ft · 27 sec
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16
Keep slight right to continue on I 10 East: San Bernardino Freeway, San Bernardino
2484 ft · 1 min
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17
Merge slight left onto San Bernardino Freeway
2.1 mi · 2 min · San Bernardino Freeway
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18
Keep slight right to continue on San Bernardino Freeway
4 mi · 5 min · San Bernardino Freeway
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19
Keep slight left to continue on I-10 Metro ExpressLanes
9 mi · 10 min · I-10 Metro ExpressLanes
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20
Merge slight right onto San Bernardino Freeway
6.5 mi · 7 min · San Bernardino Freeway
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21
Take the exit slight right toward Sierra Avenue
1191 ft · 29 sec
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22
Keep slight left to continue on Sierra Avenue North
137 m · 13 sec
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23
Turn slight left onto Sierra Avenue
1.7 mi · 3 min · Sierra Avenue
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24
Turn right onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
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25
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between Westminster 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.
Orange Freeway
Merge slight left onto Orange Freeway
11.4 mi · 00h 13m
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 Westminster 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 Westminster to Fontana?
The road trip is about 54.7 miles (88.1 km) and usually takes 01h 06m 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?
Diamond Bar is a useful midpoint, sitting about 27.3 miles from Westminster and 27.3 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 40 miles (64.4 km), while the road route adds roughly 14.7 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 4:16 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.13 one way or $22.27 round trip. Estimated CO2 is about 17.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Westminster and Mostly Sunny near Fontana.
Stop Ideas Near Diamond Bar
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Your Home Away From Home
Ayres Hotel Chino Hills
City of South El Monte City Hall
Chino City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Diamond Bar.
Pomona station
Claremont, California
Ontario
Fullerton Transportation Center
Flight Path Map
This map shows the direct air route between Westminster and Fontana. Straight-line distance: 40.05 mi (64.45 km).
#1 Westminster
A city in Orange County, California.
| Population | 89,740 |
| Coordinates | 33.7591800, -118.0067300 |
| Altitude | 12 |
| 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: 88 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 49m |
| 40 mph (64.37 km/h) | 01h 22m |
| 50 mph (80.47 km/h) | 01h 05m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 46m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $11.13 | $22.27 |
| Mid-grade | $6.07 | $11.71 | $23.41 |
| Premium | $6.24 | $12.05 | $24.10 |
| Diesel | $7.57 | $14.60 | $29.21 |
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.