Miles between Thornton, CO and New Castle, PA

There are
1,402 mi
from Thornton, CO to New Castle, PA

That's the driving distance. It would take 1 day 1 hour to go from Thornton, Colorado to New Castle, Pennsylvania.

The flight distance (direct flight from Thornton, CO to New Castle, PA) is 1,293.09 mi.

1,402 mi = 1.61 kms