Miles between Longmont, CO and Mokena, IL

There are
988 mi
from Longmont, CO to Mokena, IL

That's the driving distance. It would take 17 hours 37 mins to go from Longmont, Colorado to Mokena, Illinois.

The flight distance (direct flight from Longmont, CO to Mokena, IL) is 903.03 mi.

988 mi = 1,589.29 kms