How far is Fontana, CA from Santa Ana, CA?
The driving distance from Fontana, CA to Santa Ana, CA is about 47.9 miles (77.1 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 34.5 miles (55.5 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.
A city in Los Angeles County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Mostly Sunny
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Fontana and Santa Ana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fontana and Santa Ana.
-
1
Start on Merrill Avenue
63 m · 9 sec · Merrill Avenue
-
2
Turn left onto Sierra Avenue
1.6 mi · 3 min · Sierra Avenue
-
3
Take the ramp slight right toward I 10 West: Los Angeles
1761 ft · 45 sec
-
4
Merge slight left onto San Bernardino Freeway
5.8 mi · 7 min · San Bernardino Freeway
-
5
Keep slight left to continue on I-10 Metro ExpressLanes
9.3 mi · 10 min · I-10 Metro ExpressLanes
-
6
Merge slight right onto San Bernardino Freeway
1.2 mi · 1 min · San Bernardino Freeway
-
7
Keep slight right to continue on San Bernardino Freeway
1.4 km · 1 min · San Bernardino Freeway
-
8
Keep slight right to continue on San Bernardino Freeway
1.3 mi · 2 min · San Bernardino Freeway
-
9
Keep slight right to continue on San Bernardino Freeway
1.9 mi · 2 min · San Bernardino Freeway
-
10
Keep slight right to continue on San Bernardino Freeway
1.3 km · 55 sec · San Bernardino Freeway
-
11
Take the exit slight right toward CA 57: Santa Ana
1086 ft · 27 sec
-
12
Keep slight left to continue on CA 57 South: Santa Ana
1.5 km · 2 min
-
13
Merge slight left onto Orange Freeway
2.9 mi · 3 min · Orange Freeway
-
14
Merge slight left onto Pomona Freeway
1.3 mi · 1 min · Pomona Freeway
-
15
Keep slight right to continue on Orange Freeway
123 m · 5 sec · Orange Freeway
-
16
Keep slight left to continue on Orange Freeway
1.3 km · 57 sec · Orange Freeway
-
17
Keep slight right to continue on Orange Freeway
1.5 mi · 2 min · Orange Freeway
-
18
Keep slight right to continue on Orange Freeway
14 mi · 16 min · Orange Freeway
-
19
Keep slight left to continue on I 5 South: Santa Ana
1.1 mi · 1 min
-
20
Keep slight right to continue on Main Street North, Broadway
1656 ft · 22 sec
-
21
Turn straight onto North Broadway
1.3 mi · 3 min · North Broadway
-
22
Turn left onto West 5th Street
639 ft · 17 sec · West 5th Street
-
23
Turn right onto North Main Street
1209 ft · 31 sec · North Main Street
-
24
Turn right onto West 1st Street
16 m · 1 sec · West 1st Street
-
25
Arrive at your destination
0 m · 1 sec · West 1st Street
Car Route Details
A richer read on the saved driving route between Fontana and Santa Ana.
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
Keep slight right to continue on Orange Freeway
14 mi · 00h 16m
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.
Patchy Fog then Mostly Sunny leaving Fontana and Mostly Cloudy near Santa Ana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fontana to Santa Ana?
The road trip is about 47.9 miles (77.1 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?
Diamond Bar is a useful midpoint, sitting about 24 miles from Fontana and 23.9 miles from Santa Ana.
How much longer is the road route than the straight-line distance?
The direct path is about 34.5 miles (55.5 km), while the road route adds roughly 13.4 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 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 $9.75 one way or $19.50 round trip. Estimated CO2 is about 15 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog then Mostly Sunny around Fontana and Mostly Cloudy near Santa Ana.
Stop Ideas Near Diamond Bar
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Your Home Away From Home
Embassy Suites by Hilton Brea North Orange County
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 Fontana and Santa Ana. Straight-line distance: 34.49 mi (55.5 km).
#1 Fontana
The second most populous city in San Bernardino County, California.
| Population | 216,173 |
| Coordinates | 34.0922300, -117.4350500 |
| Altitude | 377 |
| Country | United States |
#2 Santa Ana
The most populous city in Orange County, California and the center of the Santa Ana metropolitan area.
| Population | 331,301 |
| Coordinates | 33.7455700, -117.8678300 |
| Altitude | 35 |
| Country | United States |
End: West 1st Street (-117.86783, 33.745553)
Estimated Travel Time
Distance: 77 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 35m |
| 40 mph (64.37 km/h) | 01h 11m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $9.75 | $19.50 |
| Mid-grade | $6.07 | $10.25 | $20.50 |
| Premium | $6.24 | $10.55 | $21.10 |
| Diesel | $7.57 | $12.79 | $25.58 |
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 · May 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.