Miles between Longmont, CO and Washington, IL

There are
941 mi
from Longmont, CO to Washington, IL

That's the driving distance. It would take 16 hours 47 mins to go from Longmont, Colorado to Washington, Illinois.

The flight distance (direct flight from Longmont, CO to Washington, IL) is 825.11 mi.

941 mi = 1,514.79 kms