Miles between Longmont, CO and Park Ridge, IL

There are
999 mi
from Longmont, CO to Park Ridge, IL

That's the driving distance. It would take 17 hours 51 mins to go from Longmont, Colorado to Park Ridge, Illinois.

The flight distance (direct flight from Longmont, CO to Park Ridge, IL) is 906.28 mi.

999 mi = 1,607.81 kms