Miles between Diamond Bar, CA and Roma, TX

There are
1,470 mi
from Diamond Bar, CA to Roma, TX

That's the driving distance. It would take 1 day 2 hours to go from Diamond Bar, California to Roma, Texas.

The flight distance (direct flight from Diamond Bar, CA to Roma, TX) is 1,237.43 mi.

1,470 mi = 2,365.57 kms