Miles between Longmont, CO and Arlington Heights, IL

There are
1,001 mi
from Longmont, CO to Arlington Heights, IL

That's the driving distance. It would take 17 hours 55 mins to go from Longmont, Colorado to Arlington Heights, Illinois.

The flight distance (direct flight from Longmont, CO to Arlington Heights, IL) is 899.34 mi.

1,001 mi = 1.61 kms