Miles between Rockford, IL and Union City, CA

There are
2,100 mi
from Rockford, IL to Union City, CA

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

The flight distance (direct flight from Rockford, IL to Union City, CA) is 1,764.12 mi.

2,100 mi = 3.22 kms