How far is it from Diamond Bar, CA to San Dimas, CA?

The distance between Diamond Bar, CA and San Dimas, CA is 10 mi by road.

How long does it take to drive from Diamond Bar, CA to San Dimas, CA?

The drive from Diamond Bar, CA to San Dimas, CA takes approximately 15 min by car.

The fastest route from Diamond Bar, CA to San Dimas, CA covers 10 mi with a driving time of approximately 15 min.

San Dimas, CA lies roughly to the north of Diamond Bar, CA.

Distance: 10 miDuration: 15 min

Driving from Diamond Bar, CA to San Dimas, CA takes about 15 min via CA 57. The distance is 10 mi. The straight-line distance is 8 mi. Driving directions

Driving directions11 · 10 mi

The return trip from San Dimas, CA to Diamond Bar, CA covers roughly the same distance, 10 mi.

No notable attractions were found along this route.

Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated 1 October 2026.

How far is it from Diamond Bar, CA to San Dimas, CA?: The distance between Diamond Bar, CA and San Dimas, CA is 10 mi by road.
How long does it take to drive from Diamond Bar, CA to San Dimas, CA?: The drive from Diamond Bar, CA to San Dimas, CA takes approximately 15 min by car.
What is the best route from Diamond Bar, CA to San Dimas, CA?: The fastest route from Diamond Bar, CA to San Dimas, CA covers 10 mi with a driving time of approximately 15 min.
Which direction is San Dimas, CA from Diamond Bar, CA?: San Dimas, CA lies roughly to the north of Diamond Bar, CA.