Miles between Thornton, CO and Effingham, IL

There are
944 mi
from Thornton, CO to Effingham, IL

That's the driving distance. It would take 16 hours 45 mins to go from Thornton, Colorado to Effingham, Illinois.

The flight distance (direct flight from Thornton, CO to Effingham, IL) is 876.24 mi.

944 mi = 1,519.84 kms