Miles between Longmont, CO and Lyons, IL

There are
992 mi
from Longmont, CO to Lyons, IL

That's the driving distance. It would take 17 hours 49 mins to go from Longmont, Colorado to Lyons, Illinois.

The flight distance (direct flight from Longmont, CO to Lyons, IL) is 906.99 mi.

992 mi = 1,596.00 kms