How far is Walnut, CA from San Bernardino, CA?

The driving distance from Walnut, CA to San Bernardino, CA is about 41.6 miles (66.9 km), with a travel time of about 00h 54m by car.

  • The straight-line flight distance is about 33.5 miles (53.9 km).
  • For a round trip, plan for roughly 01h 49m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
41.57 mi
00h 54m
Flight
33.5 mi
53.91 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Walnut.

Flight Distance

Direct air line
33.5 mi
Kilometers
53.91 km
Flight Time
00h 04m

Driving Distance

Road route
41.57 mi
Kilometers
66.9 km
Drive Time
00h 54m

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 00h 54m.

Arrival Snapshot
Arrive in San Bernardino
Sat, May 2, 2:00 PM PDT
Return by in Walnut
Sat, May 2, 2:55 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Walnut
2026-05-02T13:05
Arrive San Bernardino
Sat, May 2, 2:00 PM PDT
Route Timing
00h 54m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
8:55 AM to 10:55 AM PDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:40 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Walnut
9:30 PM PDT
Morning start is best

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
Rancho Cucamonga
CA

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

From Walnut
19.7 mi
00h 27m
To San Bernardino
21.9 mi
00h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM PDT
Wind
0 to 10 mph WSW
Destination
88°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM PDT
Wind
0 to 10 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Walnut and San Bernardino.

  1. 1

    Start on the route

    38 m · 15 sec

  2. 2

    Turn left

    30 m · 12 sec

  3. 3

    Turn left

    48 m · 17 sec

  4. 4

    At the end of the road, turn right onto La Puente Road

    1.8 mi · 3 min · La Puente Road

  5. 5

    Turn right onto North Grand Avenue

    1044 ft · 24 sec · North Grand Avenue

  6. 6

    Turn left onto Valley Boulevard

    3.9 mi · 6 min · Valley Boulevard

  7. 7

    Turn left onto Fairplex Drive

    1.2 km · 1 min · Fairplex Drive

  8. 8

    Take the ramp slight right toward I 10 East: San Bernardino

    1125 ft · 30 sec

  9. 9

    Merge slight left onto San Bernardino Freeway

    1.5 km · 1 min · San Bernardino Freeway

  10. 10

    Keep slight right to continue on San Bernardino Freeway

    4 mi · 5 min · San Bernardino Freeway

  11. 11

    Keep slight left to continue on I-10 Metro ExpressLanes

    9 mi · 10 min · I-10 Metro ExpressLanes

  12. 12

    Merge slight right onto San Bernardino Freeway

    14.3 mi · 16 min · San Bernardino Freeway

  13. 13

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

    952 ft · 23 sec

  14. 14

    Keep slight left to continue on I 215 North: San Bernardino, Barstow

    1.5 km · 2 min

  15. 15

    Merge slight left onto San Bernardino Freeway

    2.3 mi · 3 min · San Bernardino Freeway

  16. 16

    Take the exit slight right toward 5th Street, Civic Center

    1510 ft · 42 sec

  17. 17

    Turn right onto West 5th Street

    1.1 km · 1 min · West 5th Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · West 5th Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
18 steps
7 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
43.3 / 100 mi
Decision points by distance
Main Roads
San Bernardino Freeway
21.4 mi · 52%
I-10 Metro ExpressLanes
9.02 mi · 22%
Valley Boulevard
3.89 mi · 9%
La Puente Road
1.79 mi · 4%
I 215 North
0.9 mi · 2%
Fairplex Drive
0.72 mi · 2%
Longest Stretch

San Bernardino Freeway

Merge slight right onto San Bernardino Freeway

14.3 mi · 00h 16m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
00h 54m
Day trip friendly
Same-Day Return
01h 50m
Round-trip wheel time
Road vs Air
+8.1 mi
33.5 mi direct line
Halfway Stop
Rancho Cucamonga
00h 27m from Walnut
Leave By
4:40 PM PDT
Morning start is best
Weather Watch

Mostly Sunny leaving Walnut 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 Walnut to San Bernardino?

The road trip is about 41.6 miles (66.9 km) and usually takes 00h 54m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Rancho Cucamonga is a useful midpoint, sitting about 19.7 miles from Walnut and 21.9 miles from San Bernardino.

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

The direct path is about 33.5 miles (53.9 km), while the road route adds roughly 8.1 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:40 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.48 one way or $16.96 round trip. Estimated CO2 is about 13.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Walnut and Mostly Sunny near San Bernardino.

Stop Ideas Near Rancho Cucamonga

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Rancho Cucamonga and the surrounding midpoint area.
Brandon's Diner Jr. Of City Hall
Coffee break 12.8 mi away

Brandon's Diner Jr. Of City Hall

Riverside , CA
3900 Main St, Riverside, CA 92501, United States
Rating 4.4/5 91 reviews Breakfast restaurant
Ayres Hotel Chino Hills
Stay option 9.6 mi away

Ayres Hotel Chino Hills

Chino Hills , CA
4785 Chino Hills Pkwy, Chino Hills, CA 91709, United States
Rating 4.5/5 1,105 reviews Hotel
Stop photo coming soon
Scenic stop 11.6 mi away

City Hall

Rialto , CA
100-198 S Palm Ave, Rialto, CA 92376, United States
Rating 5.0/5 1 reviews Parking lot
Chino City Hall
Meeting point 7.7 mi away

Chino City Hall

Chino , CA
13220 Central Ave, Chino, CA 91710
Rating 4.6/5 31 reviews City Hall,City government office,Local government office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Rancho Cucamonga.

RAIL

Ontario

7 mi away
228 South Plum Street
BUS

Claremont, California

11 mi away
200 West First St.
RAIL

Pomona station

15 mi away
100 West Commercial Street
RAIL

Riverside–Downtown

25 mi away
4066 Vine St.

Flight Path Map

This map shows the direct air route between Walnut and San Bernardino. Straight-line distance: 33.5 mi (53.91 km).

Walnut

#1 Walnut

Village in California, USA

Population29,324
Coordinates34.0202900, -117.8653400
Altitude171
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: (-117.865374, 34.020341)
End: West 5th Street (-117.289794, 34.108326)

Estimated Travel Time

Distance: 67 km by road

SpeedTime
30 mph (48.3 km/h)01h 23m
40 mph (64.37 km/h)01h 02m
50 mph (80.47 km/h)00h 49m
60 mph (96.56 km/h)00h 41m
70 mph (112.65 km/h)00h 35m
80 mph (129 km/h)00h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.47 gal
5.55 L · about $8.48
Round trip
$16.96
2.94 gal · 11.1 L
Estimated CO2
13.1 kg one way
Round trip: 26.1 kg / 58 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $8.48 $16.96
Mid-grade $6.07 $8.92 $17.83
Premium $6.24 $9.18 $18.35
Diesel $7.57 $11.12 $22.25

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 02, 2026

There is no time difference between Walnut and San Bernardino. The current time is 13:05:54.

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.