There are
1,822 mi
from Nashua, NH to Altus, OK
That's the driving distance. It would take 1 day 10 hours to go from Nashua, New Hampshire to Altus, Oklahoma.
The flight distance (direct flight from Nashua, NH to Altus, OK) is 1,595.13 mi.
1,822 mi = 1.61 kms