Miles between Thornton, CO and Gary, IN

There are
1,013 mi
from Thornton, CO to Gary, IN

That's the driving distance. It would take 17 hours 57 mins to go from Thornton, Colorado to Gary, Indiana.

The flight distance (direct flight from Thornton, CO to Gary, IN) is 928.85 mi.

1,013 mi = 1.61 kms