Miles between Rockford, IL and Longmont, CO

There are
955 mi
from Rockford, IL to Longmont, CO

That's the driving distance. It would take 16 hours 59 mins to go from Rockford, Illinois to Longmont, Colorado.

The flight distance (direct flight from Rockford, IL to Longmont, CO) is 843.25 mi.

955 mi = 1,536.23 kms