There are
938 mi
from Flagstaff, AZ to Watauga, TX
That's the driving distance. It would take 16 hours 18 mins to go from Flagstaff, Arizona to Watauga, Texas.
The flight distance (direct flight from Flagstaff, AZ to Watauga, TX) is 838.62 mi.
938 mi = 1,509.75 kms