Miles between Thornton, CO and Reading, PA

There are
1,688 mi
from Thornton, CO to Reading, PA

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

The flight distance (direct flight from Thornton, CO to Reading, PA) is 1,528.43 mi.

1,688 mi = 1.61 kms