Miles between Thornton, CO and Niles, OH

There are
1,375 mi
from Thornton, CO to Niles, OH

That's the driving distance. It would take 1 day to go from Thornton, Colorado to Niles, Ohio.

The flight distance (direct flight from Thornton, CO to Niles, OH) is 1,270.44 mi.

1,375 mi = 2,212.96 kms