How far is San Jacinto, CA from Fontana, CA?
The driving distance from San Jacinto, CA to Fontana, CA is about 44.1 miles (70.9 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 34.6 miles (55.7 km).
- For a round trip, plan for roughly 01h 47m 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 53m.
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.
City in Riverside County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between San Jacinto and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Jacinto and Fontana.
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1
Start on East Main Street
24 m · 4 sec · East Main Street
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2
Turn slight right onto Ramona Boulevard
1 mi · 2 min · Ramona Boulevard
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3
Turn right onto North State Street
2702 ft · 55 sec · North State Street
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4
Turn left onto Ramona Expressway
2.4 mi · 3 min · Ramona Expressway
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5
Turn right onto Sanderson Avenue
1.9 mi · 2 min · Sanderson Avenue
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6
Continue on Lamb Canyon Road
5.7 mi · 7 min · Lamb Canyon Road
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7
Continue on Beaumont Avenue
2149 ft · 52 sec · Beaumont Avenue
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8
Take the exit sharp left toward I 10 West: Los Angeles
1182 ft · 31 sec
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9
Merge slight left onto Pearl Harbor Memorial Highway
22.5 mi · 25 min · Pearl Harbor Memorial Highway
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10
Continue on San Bernardino Freeway
7.5 mi · 9 min · San Bernardino Freeway
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11
Take the exit slight right toward Sierra Avenue
1087 ft · 27 sec
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12
Turn right onto Sierra Avenue
1.7 mi · 3 min · Sierra Avenue
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13
Turn right 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 San Jacinto 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.
Pearl Harbor Memorial Highway
Merge slight left onto Pearl Harbor Memorial Highway
22.5 mi · 00h 25m
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.
Sunny leaving San Jacinto and Sunny near Fontana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Jacinto to Fontana?
The road trip is about 44.1 miles (70.9 km) and usually takes 00h 53m 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?
Calimesa is a useful midpoint, sitting about 22.1 miles from San Jacinto and 22.1 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 34.6 miles (55.7 km), while the road route adds roughly 9.5 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 $9.00 one way or $18.00 round trip. Estimated CO2 is about 13.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around San Jacinto and Sunny near Fontana.
Stop Ideas Near Calimesa
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Khyra Beaucrest Ranch
Bear Springs Hotel
Hampton Inn & Suites Banning-Beaumont
San Bernardino County Land Use
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Calimesa.
Moreno Valley, California
San Bernardino Santa Fe Depot
Cabazon, CA
Perris, California
Flight Path Map
This map shows the direct air route between San Jacinto and Fontana. Straight-line distance: 34.64 mi (55.74 km).
#1 San Jacinto
Town in Riverside County, California, USA
| Population | 51,122 |
| Coordinates | 33.7839100, -116.9586400 |
| Altitude | 477 |
| 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: 71 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 28m |
| 40 mph (64.37 km/h) | 01h 06m |
| 50 mph (80.47 km/h) | 00h 52m |
| 60 mph (96.56 km/h) | 00h 44m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $9.00 | $18.00 |
| Mid-grade | $6.07 | $9.46 | $18.93 |
| Premium | $6.24 | $9.74 | $19.48 |
| Diesel | $7.57 | $11.80 | $23.61 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.