Miles between Longmont, CO and New Castle, IN

There are
1,160 mi
from Longmont, CO to New Castle, IN

That's the driving distance. It would take 20 hours 43 mins to go from Longmont, Colorado to New Castle, Indiana.

The flight distance (direct flight from Longmont, CO to New Castle, IN) is 1,041.62 mi.

1,160 mi = 1.61 kms