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Trip from Altadena, CA to San Bernardino, CA

Last recalculated Apr 17, 2026

Drive Time

1h 7m

Distance

54.1 mi

87 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$12

one way

EV Charging

Unknown

Best Time to Leave

Save up to 16 min
4 AM
1h 2m ★
6 AM
1h 8m
8 AM
1h 18m
10 AM
1h 11m
12 PM
1h 10m
3 PM
1h 12m
5 PM
1h 18m
8 PM
1h 4m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

census-designated place in Los Angeles County, California, United States

Altadena, CA

Wikimedia Commons

Trip Overview

This straightforward 54.1-mile drive from Altadena, CA to San Bernardino, CA is easily manageable as a single-day trip, taking approximately 1 hour and 7 minutes to complete. Primarily following the Foothill Freeway and San Bernardino Freeway, this route is heavily highway-focused, with 91% of the journey on these main roads. With an estimated fuel cost of $12, it's an economical option for connecting these two Pacific Coast communities. Given its short duration and highway nature, you won't need to worry about overnight stays, making it a flexible choice for your travel plans.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 1h 7m. Total distance: 54.1 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

1h 7m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (91%). Some complex stretches to watch for.

Drive Character

Expect a predominantly highway-focused experience on this 54.1-mile journey. With 91% of the drive on major freeways like the Foothill Freeway and San Bernardino Freeway, it's designed for efficient travel. You'll encounter one continuous stretch of 47.2 miles on the Foothill Freeway, offering a consistent pace. This route prioritizes getting you from point A to point B with minimal detours, characterized by steady speeds and broad highway lanes.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Foothill Freeway is the longest continuous segment at about 47.2 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on Foothill Freeway and North Lake Avenue. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.7 miles in.

Driving Effort 10/10

Demanding - stay alert through the decision-heavy sections

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 54.1 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 2.7 miles: Lane positioning matters here; at 19.9 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 50.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 13 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

7
2.7 mi into trip | ~6m in

Take the ramp toward I 210 East

Lane positioning matters here

Use the left lane. Toward I 210 East
6
19.9 mi into trip | ~26m in | I 210 / Foothill Freeway

Keep slight right at fork onto I 210 / Foothill Freeway

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes.
8
50.1 mi into trip | ~1h 1m in

Take the exit toward I 215: Barstow, Riverside

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 74 Toward I 215: Barstow, Riverside
8
50.3 mi into trip | ~1h 1m in

Keep slight right at fork toward I 215 South: Riverside

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight left / slight right lanes. Exit 74 Toward I 215 South: Riverside
8
53 mi into trip | ~1h 5m in

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

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 44A Toward CA 66 West: 5th Street, Civic Center

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

On the drive from Altadena, CA to San Bernardino, CA, road signs begin pointing toward Riverside along the way.

Riverside

50.1 mi in | ~1h 1m

Main Roads

Road Distance Duration
Foothill Freeway 47.2 mi 54m
North Lake Avenue 2.7 mi 6m
San Bernardino Freeway 1.8 mi 2m
West 5th Street 0.8 mi 1m
Barstow Freeway 0.2 mi <1m
Longest stretch: Foothill Freeway — 47.2 mi, about 54m

Turn-by-Turn Driving Directions

Step-by-step road directions between Altadena, CA and San Bernardino, CA.

1

Start on North Lake Avenue

2.7 mi · 6 min · North Lake Avenue
Use the left lane.
2

Take the ramp

0.3 mi · 36 sec
Toward I 210 East Use the left lane.
3

Merge onto I 210

17 mi · 19 min · Foothill Freeway
Use the straight / slight right lanes.
4

Keep slight right at fork onto I 210

2.9 mi · 3 min · Foothill Freeway
Use the straight / slight right lanes.
5

Keep slight right at fork onto CA 210

1.4 mi · 1 min · Foothill Freeway
Use the straight / slight right lanes.
6

Keep slight right at fork onto CA 210

1.2 mi · 1 min · Foothill Freeway
Use the straight / slight right lanes.
7

Keep slight right at fork onto CA 210

1.8 mi · 2 min · Foothill Freeway
Use the straight / slight right lanes.
8

Keep slight right at fork onto CA 210

23 mi · 26 min · Foothill Freeway
Use the straight / slight right lanes.
9

Take the exit

0.2 mi · 29 sec
Exit 74 Toward I 215: Barstow, Riverside Use the straight / slight right lanes.
10

Keep slight right at fork

0.6 mi · 1 min
Exit 74 Toward I 215 South: Riverside Use the slight left / slight right lanes.
11

Merge onto I 215

0.2 mi · 13 sec · Barstow Freeway
12

Continue on I 215

1.8 mi · 2 min · San Bernardino Freeway
13

Take the exit

0.4 mi · 52 sec
Exit 44A Toward CA 66 West: 5th Street, Civic Center Use the slight right lane.
14

Turn left onto CA 66

0.8 mi · 1 min · West 5th Street
Use the left / straight / right lanes.
15

Arrive at destination

West 5th Street

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 27.1 mi from Altadena, CA · 34m into the drive

city in Los Angeles County, California, United States

Mid-route town

Meal stop

Azusa, CA

27 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Pomona, CA

Fuel and coffee

A short stop after about 12 miles helps settle the day before fatigue starts building.

Claremont, CA

Meal break

The midpoint is around 27.1 miles from Altadena, CA, which is a good place for a longer meal and fuel stop.

Arriving in San Bernardino, CA

The final approach into San Bernardino, CA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$12.43 one way

$24.87 round trip

$5.84/gal 25.4 MPG avg 19 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $6.02 $12.81 $25.63
premium $6.18 $13.16 $26.31
diesel $5.61 $11.94 $23.89

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$12

Estimated CO2 emission: 18.9 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $6 in charging · 0 stops · 68% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 16.2 0 $5.68 $2.60
Efficient EV 13.5 0 $4.73 $2.16
EV Truck/SUV 21.6 0 $7.57 $3.46

Gas CO2

19 kg

EV CO2

6 kg (68% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

Altadena, CA

Evening in Altadena on Thursday

Local time

8:09 PM

PDT

Current temp

73°F

Unavailable

Live forecast

Destination

San Bernardino, CA

Evening in San Bernardino on Thursday

Local time

8:09 PM

PDT

Current temp

77°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

4 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

1h 7m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Altadena, CA to San Bernardino, CA covers 54.1 miles and takes about 1h 7m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Foothill Freeway, North Lake Avenue, San Bernardino Freeway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 27.1 miles from Altadena, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $12.43 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This drive requires moderate attention. Across 54.1 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 2.7 miles: Lane positioning matters here; at 19.9 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 50.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
On the drive from Altadena, CA to San Bernardino, CA, road signs begin pointing toward Riverside along the way.

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Explore More

Return Trip

San Bernardino, CA to Altadena, CA

Plan the drive back the other way.

53.2 mi 1h 7m

Explore more options from Altadena, CA or browse trips ending in San Bernardino, CA.

Looking for more statewide routes? Browse CA road trips.

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