Miles between Boulder, CO and Wilmington, DE

There are
1,754 mi
from Boulder, CO to Wilmington, DE

That's the driving distance. It would take 1 day 7 hours to go from Boulder, Colorado to Wilmington, Delaware.

The flight distance (direct flight from Boulder, CO to Wilmington, DE) is 1,568.75 mi.

1,754 mi = 1.61 kms