Miles between Thornton, CO and Zionsville, IN

There are
1,095 mi
from Thornton, CO to Zionsville, IN

That's the driving distance. It would take 19 hours 36 mins to go from Thornton, Colorado to Zionsville, Indiana.

The flight distance (direct flight from Thornton, CO to Zionsville, IN) is 989.80 mi.

1,095 mi = 1.61 kms