Miles between Killeen, TX and Fort Smith, AR

There are
431 mi
from Killeen, TX to Fort Smith, AR

That's the driving distance. It would take 7 hours 50 mins to go from Killeen, Texas to Fort Smith, Arkansas.

The flight distance (direct flight from Killeen, TX to Fort Smith, AR) is 352.07 mi.

431 mi = 692.85 kms