Miles between Boulder, CO and Ansonia, CT

There are
1,860 mi
from Boulder, CO to Ansonia, CT

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

The flight distance (direct flight from Boulder, CO to Ansonia, CT) is 1,679.59 mi.

1,860 mi = 1.61 kms