Miles between Thornton, CO and Boston, MA

There are
1,974 mi
from Thornton, CO to Boston, MA

That's the driving distance. It would take 1 day 12 hours to go from Thornton, Colorado to Boston, Massachusetts.

The flight distance (direct flight from Thornton, CO to Boston, MA) is 1,761.94 mi.

1,974 mi = 1.61 kms