Miles between Thornton, CO and Havre De Grace, MD

There are
1,721 mi
from Thornton, CO to Havre De Grace, MD

That's the driving distance. It would take 1 day 7 hours to go from Thornton, Colorado to Havre De Grace, Maryland.

The flight distance (direct flight from Thornton, CO to Havre De Grace, MD) is 1,528.53 mi.

1,721 mi = 1.61 kms