Miles between Thornton, CO and Annapolis, MD

There are
1,705 mi
from Thornton, CO to Annapolis, MD

That's the driving distance. It would take 1 day 6 hours to go from Thornton, Colorado to Annapolis, Maryland.

The flight distance (direct flight from Thornton, CO to Annapolis, MD) is 1,514.86 mi.

1,705 mi = 1.61 kms