Miles between Thornton, CO and Clayton, MO

There are
845 mi
from Thornton, CO to Clayton, MO

That's the driving distance. It would take 14 hours 56 mins to go from Thornton, Colorado to Clayton, Missouri.

The flight distance (direct flight from Thornton, CO to Clayton, MO) is 787.37 mi.

845 mi = 1,360.21 kms