How far is Fontana, CA from Hercules, CA?
The driving distance from Fontana, CA to Hercules, CA is about 429.5 miles (691.2 km), with a travel time of about 07h 58m by car.
- The straight-line flight distance is about 383.3 miles (616.9 km).
- For a round trip, plan for roughly 15h 57m 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 07h 58m.
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.
Mostly Sunny
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Fontana and Hercules.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fontana and Hercules.
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1
Start on Merrill Avenue
63 m · 6 sec · Merrill Avenue
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2
Turn right onto Sierra Avenue
3 mi · 5 min · Sierra Avenue
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3
Take the ramp slight right toward CA 210 West
1784 ft · 45 sec
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4
Merge slight left onto Foothill Freeway
14.8 mi · 17 min · Foothill Freeway
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5
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
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6
Keep slight right to continue on Foothill Freeway
2.4 mi · 3 min · Foothill Freeway
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7
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
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8
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
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9
Keep slight right to continue on Foothill Freeway
20 mi · 23 min · Foothill Freeway
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10
Keep slight right to continue on Foothill Freeway
25.6 mi · 30 min · Foothill Freeway
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11
Keep slight right
686 ft · 9 sec
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12
Merge slight right
1.6 km · 1 min
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13
Keep slight left
36.1 mi · 42 min
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14
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
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15
Keep slight right to continue on Westside Freeway
225.6 mi · 4 hr 2 min · Westside Freeway
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16
Keep slight left to continue on William Elton Brown Freeway
15.9 mi · 17 min · William Elton Brown Freeway
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17
Keep slight right to continue on William Elton Brown Freeway
1.1 mi · 1 min · William Elton Brown Freeway
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18
Merge slight left onto Arthur H. Breed Junior Freeway
18 mi · 21 min · Arthur H. Breed Junior Freeway
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19
Keep slight right to continue on Arthur H. Breed Junior Freeway
1.6 mi · 2 min · Arthur H. Breed Junior Freeway
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20
Take the exit slight right toward I 680 South, I 680 North: San Jose, Sacramento, Concord, Walnut Creek
857 ft · 16 sec
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21
Keep slight right to continue on I 680 North: Walnut Creek, Concord, Sacramento
1614 ft · 30 sec
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22
Merge slight left onto Donald D Doyle Highway
15.2 mi · 18 min · Donald D Doyle Highway
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23
Continue on Senator Daniel E Boatwright Highway
5 mi · 6 min · Senator Daniel E Boatwright Highway
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24
Keep slight left to continue on Senator Daniel E Boatwright Highway
2.6 mi · 3 min · Senator Daniel E Boatwright Highway
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25
Take the exit slight right toward CA 4 West, CA 4 East: Martinez, Hercules, Pittsburg, Antioch
144 m · 12 sec
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26
Keep slight left to continue on CA 4 West: Martinez, Hercules
98 m · 8 sec
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27
Continue on CA 4 West: Martinez, Hercules
924 ft · 23 sec
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28
Keep slight right to continue on CA 4 West: Martinez, Hercules
813 ft · 20 sec
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29
Merge slight left
11.6 mi · 14 min
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30
Continue on John Muir Parkway
1.4 mi · 2 min · John Muir Parkway
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31
Continue on Bayfront Boulevard
1445 ft · 40 sec · Bayfront Boulevard
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32
Continue on Railroad Avenue
1069 ft · 31 sec · Railroad Avenue
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33
Arrive at your destination
0 m · 1 sec · Railroad Avenue
Car Route Details
A richer read on the saved driving route between Fontana and Hercules.
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 right to continue on Westside Freeway
226 mi · 04h 02m
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.
Mostly Sunny leaving Fontana and Chance Light Rain near Hercules.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fontana to Hercules?
The road trip is about 429.5 miles (691.2 km) and usually takes 07h 58m 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 214.7 miles from Fontana and 214.7 miles from Hercules.
How much longer is the road route than the straight-line distance?
The direct path is about 383.3 miles (616.9 km), while the road route adds roughly 46.2 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 $87.46 one way or $174.92 round trip. Estimated CO2 is about 134.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Fontana and Chance Light Rain near Hercules.
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 Fontana and Hercules. Straight-line distance: 383.34 mi (616.93 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 Hercules
City in western Contra Costa County, California
| Population | 26,221 |
| Coordinates | 38.0171400, -122.2885800 |
| Altitude | 24 |
| Country | United States |
End: Hercules (-122.28858, 38.01714)
Estimated Travel Time
Distance: 691 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 18m |
| 40 mph (64.37 km/h) | 10h 44m |
| 50 mph (80.47 km/h) | 08h 35m |
| 60 mph (96.56 km/h) | 07h 09m |
| 70 mph (112.65 km/h) | 06h 08m |
| 80 mph (129 km/h) | 05h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $87.46 | $174.92 |
| Mid-grade | $6.07 | $91.96 | $183.92 |
| Premium | $6.24 | $94.64 | $189.29 |
| Diesel | $7.57 | $114.72 | $229.43 |
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.