Miles between Thornton, CO and Las Vegas, NM

There are
337 mi
from Thornton, CO to Las Vegas, NM

That's the driving distance. It would take 5 hours 58 mins to go from Thornton, Colorado to Las Vegas, New Mexico.

The flight distance (direct flight from Thornton, CO to Las Vegas, NM) is 295.63 mi.

337 mi = 542.32 kms