Miles between Thornton, CO and Seymour, IN

There are
1,142 mi
from Thornton, CO to Seymour, IN

That's the driving distance. It would take 20 hours 27 mins to go from Thornton, Colorado to Seymour, Indiana.

The flight distance (direct flight from Thornton, CO to Seymour, IN) is 1,018.58 mi.

1,142 mi = 1.61 kms