Miles between Longmont, CO and Frankfort, IL

There are
989 mi
from Longmont, CO to Frankfort, IL

That's the driving distance. It would take 17 hours 40 mins to go from Longmont, Colorado to Frankfort, Illinois.

The flight distance (direct flight from Longmont, CO to Frankfort, IL) is 905.11 mi.

989 mi = 1,591.64 kms