Miles between Thornton, CO and Derby, CT

There are
1,837 mi
from Thornton, CO to Derby, CT

That's the driving distance. It would take 1 day 9 hours to go from Thornton, Colorado to Derby, Connecticut.

The flight distance (direct flight from Thornton, CO to Derby, CT) is 1,666.34 mi.

1,837 mi = 1.61 kms