Miles between Thornton, CO and Roswell, NM

There are
514 mi
from Thornton, CO to Roswell, NM

That's the driving distance. It would take 9 hours 31 mins to go from Thornton, Colorado to Roswell, New Mexico.

The flight distance (direct flight from Thornton, CO to Roswell, NM) is 447.98 mi.

514 mi = 826.98 kms