Miles between Thornton, CO and Altoona, PA

There are
1,535 mi
from Thornton, CO to Altoona, PA

That's the driving distance. It would take 1 day 3 hours to go from Thornton, Colorado to Altoona, Pennsylvania.

The flight distance (direct flight from Thornton, CO to Altoona, PA) is 1,398.11 mi.

1,535 mi = 1.61 kms