How far is Suisun, CA from Fontana, CA?
The driving distance from Suisun, CA to Fontana, CA is about 433.6 miles (697.8 km), with a travel time of about 08h 12m by car.
- The straight-line flight distance is about 384.6 miles (619 km).
- For a round trip, plan for roughly 16h 24m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 08h 12m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Kings County, California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Light Rain
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Suisun and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Suisun and Fontana.
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1
Start on Solano Street
62 m · 9 sec · Solano Street
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2
Continue on Kellogg Street
124 m · 20 sec · Kellogg Street
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3
Turn right onto Morgan Street
93 m · 18 sec · Morgan Street
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4
Turn right onto Main Street
2046 ft · 45 sec · Main Street
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5
Turn right onto Lotz Way
659 ft · 18 sec · Lotz Way
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6
Take the ramp left
804 ft · 22 sec
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7
Merge slight left
14.3 mi · 20 min
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8
Enter the roundabout and take exit 2 toward the route
27 m · 1 sec
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9
Exit the roundabout
23.3 mi · 33 min
-
10
Take the exit slight right
2725 ft · 1 min
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11
Merge slight left onto Westside Freeway
26.4 mi · 29 min · Westside Freeway
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12
Keep slight left to continue on Westside Freeway
1.2 km · 49 sec · Westside Freeway
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13
Keep slight left to continue on Westside Freeway
236.6 mi · 4 hr 14 min · Westside Freeway
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14
Keep slight right
58.4 mi · 1 hr 7 min
-
15
Keep slight left to continue on Golden State Freeway
2 mi · 2 min · Golden State Freeway
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16
Take the exit slight right toward I 210 East: Pasadena
1347 ft · 18 sec
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17
Continue on Foothill Freeway
24.4 mi · 28 min · Foothill Freeway
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18
Keep slight right to continue on Foothill Freeway
19.1 mi · 22 min · Foothill Freeway
-
19
Keep slight right to continue on Foothill Freeway
2.9 mi · 3 min · Foothill Freeway
-
20
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
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21
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
-
22
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
-
23
Keep slight right to continue on Foothill Freeway
16.1 mi · 19 min · Foothill Freeway
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24
Take the exit slight right toward Sierra Avenue
1796 ft · 46 sec
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25
Turn right onto Sierra Avenue
3 mi · 5 min · Sierra Avenue
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26
Turn left onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
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27
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between Suisun and Fontana.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Westside Freeway
Keep slight left to continue on Westside Freeway
237 mi · 04h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Slight Chance Light Rain leaving Suisun 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 Suisun to Fontana?
The road trip is about 433.6 miles (697.8 km) and usually takes 08h 12m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Kettleman City is a useful midpoint, sitting about 216.8 miles from Suisun and 216.7 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 384.6 miles (619 km), while the road route adds roughly 49 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 6:00 AM to 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $88.27 one way or $176.53 round trip. Estimated CO2 is about 136 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Light Rain around Suisun and Mostly Sunny near Fontana.
Stop Ideas Near Kettleman City
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Kettleman City.
Kettleman City, California
Lemoore, California
Corcoran station
Lemoore (Naval Air Station), California
Flight Path Map
This map shows the direct air route between Suisun and Fontana. Straight-line distance: 384.65 mi (619.04 km).
#1 Suisun
City in Solano County, California, United States
| Population | 29,305 |
| Coordinates | 38.2382500, -122.0402400 |
| Altitude | 2 |
| 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: 698 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 26m |
| 40 mph (64.37 km/h) | 10h 50m |
| 50 mph (80.47 km/h) | 08h 40m |
| 60 mph (96.56 km/h) | 07h 13m |
| 70 mph (112.65 km/h) | 06h 11m |
| 80 mph (129 km/h) | 05h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $88.27 | $176.53 |
| Mid-grade | $6.07 | $92.81 | $185.62 |
| Premium | $6.24 | $95.52 | $191.04 |
| Diesel | $7.57 | $115.78 | $231.55 |
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.