Miles between Rockford, IL and Siloam Springs, AR

There are
643 mi
from Rockford, IL to Siloam Springs, AR

That's the driving distance. It would take 11 hours 58 mins to go from Rockford, Illinois to Siloam Springs, Arkansas.

The flight distance (direct flight from Rockford, IL to Siloam Springs, AR) is 511.23 mi.

643 mi = 1,035.06 kms