Miles between Fairfield, CA and Diamond Bar, CA

There are
420 mi
from Fairfield, CA to Diamond Bar, CA

That's the driving distance. It would take 7 hours 49 mins to go from Fairfield, California to Diamond Bar, California.

The flight distance (direct flight from Fairfield, CA to Diamond Bar, CA) is 375.08 mi.

420 mi = 676.68 kms