Miles between Longmont, CO and Matteson, IL

There are
999 mi
from Longmont, CO to Matteson, IL

That's the driving distance. It would take 17 hours 50 mins to go from Longmont, Colorado to Matteson, Illinois.

The flight distance (direct flight from Longmont, CO to Matteson, IL) is 912.13 mi.

999 mi = 1,607.18 kms