Miles between Thornton, CO and Duarte, CA

There are
1,005 mi
from Thornton, CO to Duarte, CA

That's the driving distance. It would take 17 hours 32 mins to go from Thornton, Colorado to Duarte, California.

The flight distance (direct flight from Thornton, CO to Duarte, CA) is 818.31 mi.

1,005 mi = 1.61 kms