Miles between Thornton, CO and Chesterton, IN

There are
1,027 mi
from Thornton, CO to Chesterton, IN

That's the driving distance. It would take 18 hours 16 mins to go from Thornton, Colorado to Chesterton, Indiana.

The flight distance (direct flight from Thornton, CO to Chesterton, IN) is 943.46 mi.

1,027 mi = 1.61 kms