Miles between Longmont, CO and Warrenville, IL

There are
973 mi
from Longmont, CO to Warrenville, IL

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

The flight distance (direct flight from Longmont, CO to Warrenville, IL) is 888.71 mi.

973 mi = 1,565.68 kms