Miles between Thornton, CO and Dearborn, MI

There are
1,257 mi
from Thornton, CO to Dearborn, MI

That's the driving distance. It would take 22 hours 21 mins to go from Thornton, Colorado to Dearborn, Michigan.

The flight distance (direct flight from Thornton, CO to Dearborn, MI) is 1,144.27 mi.

1,257 mi = 1.61 kms