Miles between Diamond Bar, CA and Suisun City, CA

There are
421 mi
from Diamond Bar, CA to Suisun City, CA

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

The flight distance (direct flight from Diamond Bar, CA to Suisun City, CA) is 374.49 mi.

421 mi = 677.31 kms