Miles between Round Rock, TX and Diamond Bar, CA

There are
1,367 mi
from Round Rock, TX to Diamond Bar, CA

That's the driving distance. It would take 23 hours 33 mins to go from Round Rock, Texas to Diamond Bar, California.

The flight distance (direct flight from Round Rock, TX to Diamond Bar, CA) is 1,198.89 mi.

1,367 mi = 1.61 kms