Miles between Union, NJ and Boulder, CO

There are
1,779 mi
from Union, NJ to Boulder, CO

That's the driving distance. It would take 1 day 8 hours to go from Union, New Jersey to Boulder, Colorado.

The flight distance (direct flight from Union, NJ to Boulder, CO) is 1,624.77 mi.

1,779 mi = 2,863.03 kms