There are
1,258 mi
from Clarksville, TN to Alamogordo, NM
That's the driving distance. It would take 23 hours to go from Clarksville, Tennessee to Alamogordo, New Mexico.
The flight distance (direct flight from Clarksville, TN to Alamogordo, NM) is 1,083.88 mi.
1,258 mi = 1.61 kms