How far is Mill Valley, CA from San Bernardino, CA?

The driving distance from Mill Valley, CA to San Bernardino, CA is about 453.1 miles (729.2 km), with a travel time of about 07h 38m by car.

  • The straight-line flight distance is about 393.7 miles (633.6 km).
  • For a round trip, plan for roughly 15h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
453.12 mi
07h 38m
Flight
393.73 mi
633.65 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Mill Valley.

Flight Distance

Direct air line
393.73 mi
Kilometers
633.65 km
Flight Time
00h 47m

Driving Distance

Road route
453.12 mi
Kilometers
729.23 km
Drive Time
07h 38m

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 38m.

Arrival Snapshot
Arrive in San Bernardino
Mon, May 25, 11:35 AM PDT
Return by in Mill Valley
Mon, May 25, 7:14 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mill Valley
2026-05-25T03:57
Arrive San Bernardino
Mon, May 25, 11:35 AM PDT
Route Timing
07h 38m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
1:39 PM to 3:09 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
8:42 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Mill Valley
8:00 PM PDT
Overnight-style route

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.

Mid-route stop
Kettleman City
CA

Census-designated place in Kings County, California

From Mill Valley
223.8 mi
03h 49m
To San Bernardino
229.3 mi
03h 49m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Memorial Day

Partly Sunny

Starts
Mon, May 25 6:00 AM PDT
Wind
5 to 10 mph W
Destination
81°F
Memorial Day

Mostly Sunny

Starts
Mon, May 25 6:00 AM PDT
Wind
5 to 10 mph SW

Driving Route Map

The map below follows the saved road route between Mill Valley and San Bernardino.

Turn-by-Turn Driving Directions

Step-by-step road directions between Mill Valley and San Bernardino.

  1. 1

    Start on Sunnyside Avenue

    76 m · 10 sec · Sunnyside Avenue

  2. 2

    Turn right onto Hill Street

    90 m · 11 sec · Hill Street

  3. 3

    Turn left onto East Blithedale Avenue

    1.8 mi · 5 min · East Blithedale Avenue

  4. 4

    Take the ramp slight right toward US 101 North: Eureka

    1197 ft · 20 sec

  5. 5

    Merge slight left onto Redwood Highway

    2.6 mi · 4 min · Redwood Highway

  6. 6

    Take the exit slight right toward San Anselmo, Richmond Bridge

    845 ft · 21 sec

  7. 7

    Keep slight right to continue on US 101 North: Richmond Bridge

    724 ft · 18 sec

  8. 8

    Turn slight right onto Richmond Bridge

    82 m · 6 sec

  9. 9

    Turn straight onto Sir Francis Drake Boulevard East

    1.4 mi · 2 min · Sir Francis Drake Boulevard East

  10. 10

    Take the ramp straight toward I 580 East

    1740 ft · 27 sec

  11. 11

    Merge slight left onto John T. Knox Freeway

    11.6 mi · 14 min · John T. Knox Freeway

  12. 12

    Merge slight left onto Eastshore Freeway

    3.8 mi · 5 min · Eastshore Freeway

  13. 13

    Keep slight left to continue on Interstate Highway 80

    1321 ft · 21 sec · Interstate Highway 80

  14. 14

    Keep slight left to continue on MacArthur Freeway

    16.4 mi · 19 min · MacArthur Freeway

  15. 15

    Merge slight left onto Arthur H. Breed Junior Freeway

    11.5 mi · 13 min · Arthur H. Breed Junior Freeway

  16. 16

    Keep slight right to continue on Arthur H. Breed Junior Freeway

    17.8 mi · 21 min · Arthur H. Breed Junior Freeway

  17. 17

    Keep slight right to continue on William Elton Brown Freeway

    11.1 mi · 12 min · William Elton Brown Freeway

  18. 18

    Keep slight left to continue on William Elton Brown Freeway

    5.9 mi · 6 min · William Elton Brown Freeway

  19. 19

    Merge slight left onto Westside Freeway

    224.4 mi · 4 hr · Westside Freeway

  20. 20

    Keep slight right

    58.4 mi · 1 hr 7 min

  21. 21

    Keep slight left to continue on Golden State Freeway

    2 mi · 2 min · Golden State Freeway

  22. 22

    Take the exit slight right toward I 210 East: Pasadena

    1347 ft · 18 sec

  23. 23

    Continue on Foothill Freeway

    24.4 mi · 28 min · Foothill Freeway

  24. 24

    Keep slight right to continue on Foothill Freeway

    19.1 mi · 22 min · Foothill Freeway

  25. 25

    Keep slight right to continue on Foothill Freeway

    2.9 mi · 3 min · Foothill Freeway

  26. 26

    Keep slight right to continue on Foothill Freeway

    1.4 mi · 2 min · Foothill Freeway

  27. 27

    Keep slight right to continue on Foothill Freeway

    1.2 mi · 1 min · Foothill Freeway

  28. 28

    Keep slight right to continue on Foothill Freeway

    1.8 mi · 2 min · Foothill Freeway

  29. 29

    Keep slight right to continue on Foothill Freeway

    22.8 mi · 26 min · Foothill Freeway

  30. 30

    Take the exit slight right toward I 215: Barstow, Riverside

    1209 ft · 29 sec

  31. 31

    Keep slight right to continue on I 215 South: Riverside

    3196 ft · 1 min

  32. 32

    Merge slight left onto Barstow Freeway

    1033 ft · 14 sec · Barstow Freeway

  33. 33

    Continue on San Bernardino Freeway

    1.8 mi · 2 min · San Bernardino Freeway

  34. 34

    Take the exit slight right toward CA 66 West: 5th Street, Civic Center

    1873 ft · 53 sec

  35. 35

    Turn left onto West 5th Street

    1.2 km · 2 min · West 5th Street

  36. 36

    Arrive at your destination

    0 m · 1 sec · West 5th Street

Car Route Details

A richer read on the saved driving route between Mill Valley and San Bernardino.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
36 steps
5 turns on the saved route
Ramps & Exits
12
6 merges, 6 ramps or exits
Navigation Density
7.9 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
283 mi · 62%
Foothill Freeway
73.7 mi · 16%
Arthur H. Breed Junior Freeway
29.3 mi · 6%
William Elton Brown Freeway
17 mi · 4%
MacArthur Freeway
16.4 mi · 4%
John T. Knox Freeway
11.6 mi · 3%
Longest Stretch

Westside Freeway

Merge slight left onto Westside Freeway

224 mi · 04h 00m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
07h 38m
Overnight route
Same-Day Return
15h 18m
Round-trip wheel time
Road vs Air
+59.4 mi
393.7 mi direct line
Halfway Stop
Kettleman City
03h 49m from Mill Valley
Leave By
8:42 PM PDT
Overnight-style route
Weather Watch

Partly Sunny leaving Mill Valley and Mostly Sunny near San Bernardino.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Mill Valley to San Bernardino?

The road trip is about 453.1 miles (729.2 km) and usually takes 07h 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 223.8 miles from Mill Valley and 229.3 miles from San Bernardino.

How much longer is the road route than the straight-line distance?

The direct path is about 393.7 miles (633.6 km), while the road route adds roughly 59.4 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 $92.25 one way or $184.49 round trip. Estimated CO2 is about 142.1 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Mill Valley and Mostly Sunny near San Bernardino.

Stop Ideas Near Kettleman City

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Kettleman City, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Kettleman City.

BUS

Kettleman City, California

3 mi away
3300 Hubert Way
BUS

Lemoore, California

34 mi away
300 E Street
RAIL

Corcoran station

38 mi away
1099 Otis Ave.
BUS

Lemoore (Naval Air Station), California

41 mi away
25th Ave and Highway 198

Flight Path Map

This map shows the direct air route between Mill Valley and San Bernardino. Straight-line distance: 393.73 mi (633.65 km).

Mill Valley

#1 Mill Valley

City in Marin County, California, United States

Population14,323
Coordinates37.9060400, -122.5449800
Altitude24
CountryUnited States
San Bernardino

#2 San Bernardino

The second most populous city in San Bernardino County, California.

Population217,491
Coordinates34.1083400, -117.2897700
Altitude321
CountryUnited States
Start: Sunnyside Avenue (-122.544979, 37.906102)
End: West 5th Street (-117.289794, 34.108326)

Estimated Travel Time

Distance: 729 km by road

SpeedTime
30 mph (48.3 km/h)15h 05m
40 mph (64.37 km/h)11h 19m
50 mph (80.47 km/h)09h 03m
60 mph (96.56 km/h)07h 33m
70 mph (112.65 km/h)06h 28m
80 mph (129 km/h)05h 39m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.99 gal
60.53 L · about $92.25
Round trip
$184.49
31.98 gal · 121.06 L
Estimated CO2
142.1 kg one way
Round trip: 284.2 kg / 627 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $92.25 $184.49
Mid-grade $6.07 $97.00 $193.99
Premium $6.24 $99.83 $199.65
Diesel $7.57 $121.00 $241.99

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 25, 2026

There is no time difference between Mill Valley and San Bernardino. The current time is 03:57:01.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.