Miles between Boulder, CO and Ephrata, PA

There are
1,699 mi
from Boulder, CO to Ephrata, PA

That's the driving distance. It would take 1 day 6 hours to go from Boulder, Colorado to Ephrata, Pennsylvania.

The flight distance (direct flight from Boulder, CO to Ephrata, PA) is 1,530.70 mi.

1,699 mi = 1.61 kms