Miles between Longmont, CO and Des Plaines, IL

There are
1,000 mi
from Longmont, CO to Des Plaines, IL

That's the driving distance. It would take 17 hours 53 mins to go from Longmont, Colorado to Des Plaines, Illinois.

The flight distance (direct flight from Longmont, CO to Des Plaines, IL) is 904.15 mi.

1,000 mi = 1,609.13 kms