Miles between Thornton, CO and Newton, KS

There are
494 mi
from Thornton, CO to Newton, KS

That's the driving distance. It would take 8 hours 27 mins to go from Thornton, Colorado to Newton, Kansas.

The flight distance (direct flight from Thornton, CO to Newton, KS) is 428.51 mi.

494 mi = 795.19 kms