Miles between Rockford, IL and Diamond Bar, CA

There are
1,947 mi
from Rockford, IL to Diamond Bar, CA

That's the driving distance. It would take 1 day 9 hours to go from Rockford, Illinois to Diamond Bar, California.

The flight distance (direct flight from Rockford, IL to Diamond Bar, CA) is 1,651.40 mi.

1,947 mi = 1.61 kms