How far is Sierra Madre, CA from Fontana, CA?

The driving distance from Sierra Madre, CA to Fontana, CA is about 40.4 miles (65 km), with a travel time of about 00h 50m by car.

  • The straight-line flight distance is about 35.7 miles (57.4 km).
  • For a round trip, plan for roughly 01h 40m 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
40.37 mi
00h 50m
Flight
35.66 mi
57.39 km direct

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

Learn Distance

Choose another destination from Sierra Madre.

Flight Distance

Direct air line
35.66 mi
Kilometers
57.39 km
Flight Time
00h 04m

Driving Distance

Road route
40.37 mi
Kilometers
64.97 km
Drive Time
00h 50m

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 50m.

Arrival Snapshot
Arrive in Fontana
Sun, Apr 19, 3:51 AM PDT
Return by in Sierra Madre
Sun, Apr 19, 4:41 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sierra Madre
2026-04-19T03:01
Arrive Fontana
Sun, Apr 19, 3:51 AM PDT
Route Timing
00h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
8:50 AM to 10:50 AM PDT

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

Leave by
4:50 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sierra Madre
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
Claremont
CA

City on the eastern edge of Los Angeles County, California

From Sierra Madre
20.1 mi
00h 25m
To Fontana
20.2 mi
00h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM PDT
Wind
0 to 10 mph S
Destination
83°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM PDT
Wind
5 to 15 mph SW

Driving Route Map

The map below follows the saved road route between Sierra Madre and Fontana.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sierra Madre and Fontana.

  1. 1

    Start on South Baldwin Avenue

    1.2 km · 2 min · South Baldwin Avenue

  2. 2

    Turn left onto Foothill Boulevard

    996 ft · 29 sec · Foothill Boulevard

  3. 3

    Turn right onto North Baldwin Avenue

    751 ft · 20 sec · North Baldwin Avenue

  4. 4

    Turn left onto I 210 East: San Bernardino

    1358 ft · 35 sec

  5. 5

    Merge slight left onto Foothill Freeway

    12.2 mi · 14 min · Foothill Freeway

  6. 6

    Keep slight right to continue on Foothill Freeway

    2.9 mi · 3 min · Foothill Freeway

  7. 7

    Keep slight right to continue on Foothill Freeway

    1.4 mi · 2 min · Foothill Freeway

  8. 8

    Keep slight right to continue on Foothill Freeway

    1.2 mi · 1 min · Foothill Freeway

  9. 9

    Keep slight right to continue on Foothill Freeway

    1.8 mi · 2 min · Foothill Freeway

  10. 10

    Keep slight right to continue on Foothill Freeway

    16.1 mi · 19 min · Foothill Freeway

  11. 11

    Take the exit slight right toward Sierra Avenue

    1796 ft · 46 sec

  12. 12

    Turn right onto Sierra Avenue

    3 mi · 5 min · Sierra Avenue

  13. 13

    Turn left onto Merrill Avenue

    63 m · 4 sec · Merrill Avenue

  14. 14

    Arrive at your destination

    0 m · 1 sec · Merrill Avenue

Car Route Details

A richer read on the saved driving route between Sierra Madre and Fontana.

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
14 steps
5 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
34.7 / 100 mi
Decision points by distance
Main Roads
Foothill Freeway
35.7 mi · 88%
Sierra Avenue
3.3 mi · 8%
South Baldwin Avenue
0.77 mi · 2%
I 210 East
0.26 mi · 1%
Foothill Boulevard
0.19 mi
North Baldwin Avenue
0.14 mi
Longest Stretch

Foothill Freeway

Keep slight right to continue on Foothill Freeway

16.1 mi · 00h 19m

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 50m
Day trip friendly
Same-Day Return
01h 40m
Round-trip wheel time
Road vs Air
+4.7 mi
35.7 mi direct line
Halfway Stop
Claremont
00h 25m from Sierra Madre
Leave By
4:50 PM PDT
Morning start is best
Weather Watch

Sunny leaving Sierra Madre and Mostly Sunny near Fontana.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sierra Madre to Fontana?

The road trip is about 40.4 miles (65 km) and usually takes 00h 50m 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?

Claremont is a useful midpoint, sitting about 20.1 miles from Sierra Madre and 20.2 miles from Fontana.

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

The direct path is about 35.7 miles (57.4 km), while the road route adds roughly 4.7 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 4:50 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.19 one way or $16.38 round trip. Estimated CO2 is about 12.6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Sierra Madre and Mostly Sunny near Fontana.

Stop Ideas Near Claremont

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 Claremont and the surrounding midpoint area.
Stop photo coming soon
Coffee break 6.6 mi away

Your Home Away From Home

Covina , CA
5015 N Burnaby Dr, Covina, CA 91724, United States
Rating 5.0/5 2 reviews Bed & breakfast
Ayres Hotel Chino Hills
Stay option 9.9 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
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
Diamond Hills Plaza Shopping Center
Nearby stop 11.8 mi away

Diamond Hills Plaza Shopping Center

Diamond Bar , CA
2785 S Diamond Bar Blvd, Diamond Bar, CA 91765, United States
Rating 4.2/5 682 reviews Shopping mall

Transit and Meeting Points

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

BUS

Claremont, California

200 West First St.
RAIL

Pomona station

5 mi away
100 West Commercial Street
RAIL

Ontario

8 mi away
228 South Plum Street
RAIL

Fullerton Transportation Center

31 mi away
120 East Santa Fe Avenue

Flight Path Map

This map shows the direct air route between Sierra Madre and Fontana. Straight-line distance: 35.66 mi (57.39 km).

Sierra Madre

#1 Sierra Madre

City in California

Population10,621
Coordinates34.1616700, -118.0528500
Altitude252
CountryUnited States
Fontana

#2 Fontana

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

Population216,173
Coordinates34.0922300, -117.4350500
Altitude377
CountryUnited States
Start: Sierra Madre (-118.05285, 34.16167)
End: Fontana (-117.43505, 34.09223)

Estimated Travel Time

Distance: 65 km by road

SpeedTime
30 mph (48.3 km/h)01h 20m
40 mph (64.37 km/h)01h 00m
50 mph (80.47 km/h)00h 48m
60 mph (96.56 km/h)00h 40m
70 mph (112.65 km/h)00h 34m
80 mph (129 km/h)00h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.42 gal
5.39 L · about $8.19
Round trip
$16.38
2.84 gal · 10.78 L
Estimated CO2
12.6 kg one way
Round trip: 25.2 kg / 56 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $8.19 $16.38
Mid-grade $6.07 $8.61 $17.23
Premium $6.24 $8.87 $17.73
Diesel $7.57 $10.75 $21.49

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 19, 2026

There is no time difference between Sierra Madre and Fontana. The current time is 03:01:40.

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.