Miles between Rockford, IL and San Mateo, CA

There are
2,102 mi
from Rockford, IL to San Mateo, CA

That's the driving distance. It would take 1 day 12 hours to go from Rockford, Illinois to San Mateo, California.

The flight distance (direct flight from Rockford, IL to San Mateo, CA) is 1,779.15 mi.

2,102 mi = 3.22 kms