Miles between Erie, PA and Thornton, CO

There are
1,427 mi
from Erie, PA to Thornton, CO

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

The flight distance (direct flight from Erie, PA to Thornton, CO) is 1,302.46 mi.

1,427 mi = 2,295.87 kms