How far is San Bernardino, CA from Sonoma, CA?
The driving distance from San Bernardino, CA to Sonoma, CA is about 460.4 miles (740.9 km), with a travel time of about 08h 38m by car.
- The straight-line flight distance is about 408 miles (656.6 km).
- For a round trip, plan for roughly 17h 16m 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 38m.
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.
Chance Rain Showers
Areas Of Fog then Partly Sunny
Driving Route Map
The map below follows the saved road route between San Bernardino and Sonoma.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Bernardino and Sonoma.
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1
Start on West 5th Street
1.1 km · 1 min · West 5th Street
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2
Take the ramp right toward I 215 North: Barstow
1769 ft · 45 sec
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3
Merge slight left onto San Bernardino Freeway
1.5 mi · 2 min · San Bernardino Freeway
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4
Continue on Barstow Freeway
2632 ft · 35 sec · Barstow Freeway
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5
Take the exit slight right toward CA 210 West: Pasadena
1 mi · 2 min
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6
Merge slight left onto Foothill Freeway
21.4 mi · 25 min · Foothill Freeway
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7
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
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8
Keep slight right to continue on Foothill Freeway
2.4 mi · 3 min · Foothill Freeway
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9
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
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10
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
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11
Keep slight right to continue on Foothill Freeway
20 mi · 23 min · Foothill Freeway
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12
Keep slight right to continue on Foothill Freeway
25.6 mi · 30 min · Foothill Freeway
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13
Keep slight right
686 ft · 9 sec
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14
Merge slight right
1.6 km · 1 min
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15
Keep slight left
36.1 mi · 42 min
-
16
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
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17
Keep slight right to continue on Westside Freeway
225.6 mi · 4 hr 2 min · Westside Freeway
-
18
Keep slight left to continue on William Elton Brown Freeway
15.9 mi · 17 min · William Elton Brown Freeway
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19
Keep slight right to continue on William Elton Brown Freeway
1.1 mi · 1 min · William Elton Brown Freeway
-
20
Merge slight left onto Arthur H. Breed Junior Freeway
18 mi · 21 min · Arthur H. Breed Junior Freeway
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21
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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22
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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23
Keep slight right to continue on I 680 North: Walnut Creek, Concord, Sacramento
1614 ft · 30 sec
-
24
Merge slight left onto Donald D Doyle Highway
15.2 mi · 18 min · Donald D Doyle Highway
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25
Continue on Senator Daniel E Boatwright Highway
5 mi · 6 min · Senator Daniel E Boatwright Highway
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26
Keep slight left to continue on Senator Daniel E Boatwright Highway
6 mi · 7 min · Senator Daniel E Boatwright Highway
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27
Keep slight left to continue on Senator Daniel E Boatwright Highway
74 m · 3 sec · Senator Daniel E Boatwright Highway
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28
Keep slight right to continue on Senator Daniel E Boatwright Highway
1.8 mi · 2 min · Senator Daniel E Boatwright Highway
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29
Keep slight left to continue on I 780: Benicia
6.7 mi · 8 min
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30
Take the exit slight right toward I 80 East: Sacramento
1379 ft · 34 sec
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31
Keep slight left to continue on I 80 East: Sacramento
137 m · 11 sec
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32
Merge slight left onto Dwight D. Eisenhower Highway
2.7 mi · 3 min · Dwight D. Eisenhower Highway
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33
Take the exit slight right toward CA 37: Napa, Novato, Auto Mall, Columbus Parkway
752 ft · 18 sec
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34
Keep slight left to continue on CA 37: Napa
2517 ft · 1 min
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35
Continue on CA 37
1.5 mi · 2 min
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36
Take the exit slight right toward CA 29: Napa, Sonoma Boulevard
1912 ft · 51 sec
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37
Turn right onto Sonoma Boulevard
1.6 mi · 2 min · Sonoma Boulevard
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38
Continue on Broadway Street
4 mi · 5 min · Broadway Street
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39
Continue on Napa–Vallejo Highway
1.3 mi · 2 min · Napa–Vallejo Highway
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40
Continue on Saint Helena Highway
2.6 mi · 3 min · Saint Helena Highway
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41
Turn left onto Carneros Highway
4.4 mi · 6 min · Carneros Highway
-
42
Continue on Fremont Drive
1.3 km · 1 min · Fremont Drive
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43
Turn right onto Napa Road
4.3 mi · 7 min · Napa Road
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44
Turn right onto Broadway
1.1 mi · 2 min · Broadway
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45
At the end of the road, turn left onto West Napa Street
14 m · 1 sec · West Napa Street
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46
Arrive at your destination
0 m · 1 sec · West Napa Street
Car Route Details
A richer read on the saved driving route between San Bernardino and Sonoma.
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.
Chance Rain Showers leaving San Bernardino and Areas Of Fog then Partly Sunny near Sonoma.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Bernardino to Sonoma?
The road trip is about 460.4 miles (740.9 km) and usually takes 08h 38m 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 230.2 miles from San Bernardino and 230.2 miles from Sonoma.
How much longer is the road route than the straight-line distance?
The direct path is about 408 miles (656.6 km), while the road route adds roughly 52.4 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 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 $93.75 one way or $187.49 round trip. Estimated CO2 is about 144.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around San Bernardino and Areas Of Fog then Partly Sunny near Sonoma.
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 San Bernardino and Sonoma. Straight-line distance: 408.01 mi (656.63 km).
#1 San Bernardino
The second most populous city in San Bernardino County, California.
| Population | 217,491 |
| Coordinates | 34.1083400, -117.2897700 |
| Altitude | 321 |
| Country | United States |
#2 Sonoma
Town in Sonoma County, California, United States
| Population | 10,973 |
| Coordinates | 38.2918600, -122.4580400 |
| Altitude | 26 |
| Country | United States |
End: Sonoma (-122.45804, 38.29186)
Estimated Travel Time
Distance: 741 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 15h 20m |
| 40 mph (64.37 km/h) | 11h 30m |
| 50 mph (80.47 km/h) | 09h 12m |
| 60 mph (96.56 km/h) | 07h 40m |
| 70 mph (112.65 km/h) | 06h 34m |
| 80 mph (129 km/h) | 05h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $93.75 | $187.49 |
| Mid-grade | $6.07 | $98.57 | $197.14 |
| Premium | $6.24 | $101.45 | $202.90 |
| Diesel | $7.57 | $122.96 | $245.93 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.