Miles between Thornton, CO and Arlington Heights, IL

There are
997 mi
from Thornton, CO to Arlington Heights, IL

That's the driving distance. It would take 17 hours 38 mins to go from Thornton, Colorado to Arlington Heights, Illinois.

The flight distance (direct flight from Thornton, CO to Arlington Heights, IL) is 897.93 mi.

997 mi = 1,603.76 kms