How far is Rancho Cucamonga, CA from San Bernardino, CA?

The driving distance from Rancho Cucamonga, CA to San Bernardino, CA is about 21.4 miles (34.5 km), with a travel time of about 00h 26m by car.

  • The straight-line flight distance is about 17.3 miles (27.9 km).
  • For a round trip, plan for roughly 00h 53m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
21.41 mi
00h 26m
Flight
17.35 mi
27.93 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Rancho Cucamonga.

Flight Distance

Direct air line
17.35 mi
Kilometers
27.93 km
Flight Time
00h 02m

Driving Distance

Road route
21.41 mi
Kilometers
34.46 km
Drive Time
00h 26m

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 26m.

Arrival Snapshot
Arrive in San Bernardino
Thu, May 28, 3:41 AM PDT
Return by in Rancho Cucamonga
Thu, May 28, 4:08 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rancho Cucamonga
2026-05-28T03:14
Arrive San Bernardino
Thu, May 28, 3:41 AM PDT
Route Timing
00h 26m
One way by road
Best Departure Window
7:00 AM to 7:00 PM PDT
Leave when it suits your day
Arrive between
7:27 AM to 7:27 PM PDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:36 PM PDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Rancho Cucamonga
10:00 PM PDT
Flexible departure

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
Fontana
CA

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

From Rancho Cucamonga
10.7 mi
00h 13m
To San Bernardino
10.7 mi
00h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
69°F
Thursday

Mostly Sunny

Starts
Thu, May 28 6:00 AM PDT
Wind
0 to 15 mph SW
Destination
70°F
Thursday

Mostly Sunny

Starts
Thu, May 28 6:00 AM PDT
Wind
0 to 15 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Rancho Cucamonga and San Bernardino.

  1. 1

    Start on the route

    41 m · 13 sec

  2. 2

    Turn uturn onto Archibald Avenue

    2 mi · 4 min · Archibald Avenue

  3. 3

    Take the ramp right toward CA 210 East

    1710 ft · 44 sec

  4. 4

    Merge slight left onto Foothill Freeway

    15.1 mi · 17 min · Foothill Freeway

  5. 5

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

    1209 ft · 29 sec

  6. 6

    Keep slight right to continue on I 215 South: Riverside

    3196 ft · 1 min

  7. 7

    Merge slight left onto Barstow Freeway

    1033 ft · 14 sec · Barstow Freeway

  8. 8

    Continue on San Bernardino Freeway

    1.8 mi · 2 min · San Bernardino Freeway

  9. 9

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

    1873 ft · 53 sec

  10. 10

    Turn left onto West 5th Street

    1.2 km · 2 min · West 5th Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · West 5th Street

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
11 steps
2 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
51.4 / 100 mi
Decision points by distance
Main Roads
Foothill Freeway
15.1 mi · 71%
Archibald Avenue
1.98 mi · 9%
San Bernardino Freeway
1.84 mi · 9%
West 5th Street
0.76 mi · 4%
I 215 South
0.61 mi · 3%
CA 66 West
0.35 mi · 2%
Longest Stretch

Foothill Freeway

Merge slight left onto Foothill Freeway

15.1 mi · 00h 17m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 26m
Quick drive
Same-Day Return
00h 54m
Round-trip wheel time
Road vs Air
+4.1 mi
17.3 mi direct line
Halfway Stop
Fontana
00h 13m from Rancho Cucamonga
Leave By
7:36 PM PDT
Flexible departure
Weather Watch

Mostly Sunny leaving Rancho Cucamonga 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 Rancho Cucamonga to San Bernardino?

The road trip is about 21.4 miles (34.5 km) and usually takes 00h 26m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Fontana is a useful midpoint, sitting about 10.7 miles from Rancho Cucamonga and 10.7 miles from San Bernardino.

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

The direct path is about 17.3 miles (27.9 km), while the road route adds roughly 4.1 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:36 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.38 one way or $8.77 round trip. Estimated CO2 is about 6.8 kg one way.

What should you check before leaving?

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

Stop Ideas Near Fontana

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 Fontana and the surrounding midpoint area.
Bear Springs Hotel
Food stop 14.2 mi away

Bear Springs Hotel

Highland , CA
27959 Highland Ave, Highland, CA 92346, United States
Rating 4.6/5 543 reviews Hotel,Restaurant
Hilton Garden Inn Fontana
Stay option 5.1 mi away

Hilton Garden Inn Fontana

Fontana , CA
10543 Sierra Ave, Fontana, CA 92337, United States
Rating 4.4/5 868 reviews Hotel
Stop photo coming soon
Scenic stop 4.7 mi away

City Hall

Rialto , CA
100-198 S Palm Ave, Rialto, CA 92376, United States
Rating 5.0/5 1 reviews Parking lot
San Bernardino County Land Use
Meeting point 9 mi away

San Bernardino County Land Use

San Bernardino , CA
385 N Arrowhead Ave, First Floor, San Bernardino, CA 92415, United States
Rating 4.8/5 5 reviews City government office,County government office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Fontana.

RAIL

San Bernardino Santa Fe Depot

12 mi away
1170 West Third Street (all Trains and Buses)
RAIL

Riverside–Downtown

14 mi away
4066 Vine St.
RAIL

Ontario

20 mi away
228 South Plum Street
BUS

Moreno Valley, California

24 mi away
2650 East Alessandro Blvd.

Flight Path Map

This map shows the direct air route between Rancho Cucamonga and San Bernardino. Straight-line distance: 17.35 mi (27.93 km).

Rancho Cucamonga

#1 Rancho Cucamonga

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

Population178,849
Coordinates34.1064000, -117.5931100
Altitude368
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: (-117.593204, 34.106399)
End: West 5th Street (-117.289794, 34.108326)

Estimated Travel Time

Distance: 34 km by road

SpeedTime
30 mph (48.3 km/h)00h 42m
40 mph (64.37 km/h)00h 32m
50 mph (80.47 km/h)00h 25m
60 mph (96.56 km/h)00h 21m
70 mph (112.65 km/h)00h 18m
80 mph (129 km/h)00h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.76 gal
2.86 L · about $4.38
Round trip
$8.77
1.52 gal · 5.72 L
Estimated CO2
6.8 kg one way
Round trip: 13.5 kg / 30 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $4.38 $8.77
Mid-grade $6.07 $4.61 $9.22
Premium $6.24 $4.74 $9.49
Diesel $7.57 $5.75 $11.50

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 28, 2026

There is no time difference between Rancho Cucamonga and San Bernardino. The current time is 03:14:09.

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.