How far is Diamond Springs, CA from Fontana, CA?
The driving distance from Diamond Springs, CA to Fontana, CA is about 447.3 miles (719.9 km), with a travel time of about 08h 36m by car.
- The straight-line flight distance is about 369.3 miles (594.4 km).
- For a round trip, plan for roughly 17h 13m 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 36m.
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.
Driving Route Map
The map below follows the saved road route between Diamond Springs and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Diamond Springs and Fontana.
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1
Start on Pleasant Valley Road
2.1 mi · 4 min · Pleasant Valley Road
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2
Turn left
14.5 mi · 20 min
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3
Enter the roundabout and take exit 2 toward the route
33 m · 2 sec
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4
Exit the roundabout
2.4 mi · 4 min
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5
Continue on Jackson Road
1496 ft · 27 sec · Jackson Road
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6
Turn left onto East Plymouth Highway
8 mi · 10 min · East Plymouth Highway
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7
Turn left onto Preston Avenue
696 ft · 28 sec · Preston Avenue
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8
At the end of the road, turn left onto East Main Street
105 m · 14 sec · East Main Street
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9
Turn right onto South Church Street
2.3 mi · 4 min · South Church Street
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10
At the end of the road, turn right
8.8 mi · 12 min
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11
Enter the roundabout and take exit 2 toward the route
59 m · 3 sec
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12
Exit the roundabout
2.9 mi · 4 min
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13
At the end of the road, turn right
19.3 mi · 28 min
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14
Take the ramp slight right
1006 ft · 25 sec
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15
Merge slight left
1.3 mi · 2 min
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16
Take the exit slight right toward CA 4
2645 ft · 1 min
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17
Merge slight left onto Crosstown Freeway
2.4 mi · 3 min · Crosstown Freeway
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18
Take the exit slight right toward I 5: Sacramento
2364 ft · 51 sec
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19
Keep slight left to continue on I 5 South
1 km · 1 min
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20
Merge slight left onto Westside Freeway
12.9 mi · 14 min · Westside Freeway
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21
Keep slight left to continue on Westside Freeway
1.2 km · 49 sec · Westside Freeway
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22
Keep slight left to continue on Westside Freeway
236.6 mi · 4 hr 14 min · Westside Freeway
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23
Keep slight right
58.4 mi · 1 hr 7 min
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24
Keep slight left to continue on Golden State Freeway
2 mi · 2 min · Golden State Freeway
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25
Take the exit slight right toward I 210 East: Pasadena
1347 ft · 18 sec
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26
Continue on Foothill Freeway
24.4 mi · 28 min · Foothill Freeway
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27
Keep slight right to continue on Foothill Freeway
19.1 mi · 22 min · Foothill Freeway
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28
Keep slight right to continue on Foothill Freeway
2.9 mi · 3 min · Foothill Freeway
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29
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
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30
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
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31
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
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32
Keep slight right to continue on Foothill Freeway
16.1 mi · 19 min · Foothill Freeway
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33
Take the exit slight right toward Sierra Avenue
1796 ft · 46 sec
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34
Turn right onto Sierra Avenue
3 mi · 5 min · Sierra Avenue
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35
Turn left onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
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36
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between Diamond Springs 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.
Sunny leaving Diamond Springs and Sunny near Fontana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Diamond Springs to Fontana?
The road trip is about 447.3 miles (719.9 km) and usually takes 08h 36m 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 223.8 miles from Diamond Springs and 223.6 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 369.3 miles (594.4 km), while the road route adds roughly 78 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 $91.09 one way or $182.19 round trip. Estimated CO2 is about 140.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Diamond Springs and 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 Diamond Springs and Fontana. Straight-line distance: 369.33 mi (594.38 km).
#1 Diamond Springs
Census-designated place in El Dorado County, California
| Population | 11,037 |
| Coordinates | 38.6946300, -120.8149400 |
| Altitude | 546 |
| 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: 720 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 54m |
| 40 mph (64.37 km/h) | 11h 11m |
| 50 mph (80.47 km/h) | 08h 56m |
| 60 mph (96.56 km/h) | 07h 27m |
| 70 mph (112.65 km/h) | 06h 23m |
| 80 mph (129 km/h) | 05h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $91.09 | $182.19 |
| Mid-grade | $6.07 | $95.78 | $191.56 |
| Premium | $6.24 | $98.58 | $197.15 |
| Diesel | $7.57 | $119.48 | $238.97 |
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.