Miles between Thornton, CO and Watertown, MA

There are
1,967 mi
from Thornton, CO to Watertown, MA

That's the driving distance. It would take 1 day 11 hours to go from Thornton, Colorado to Watertown, Massachusetts.

The flight distance (direct flight from Thornton, CO to Watertown, MA) is 1,755.61 mi.

1,967 mi = 1.61 kms