There are
944 mi
from Flagstaff, AZ to Grapevine, TX
That's the driving distance. It would take 16 hours 26 mins to go from Flagstaff, Arizona to Grapevine, Texas.
The flight distance (direct flight from Flagstaff, AZ to Grapevine, TX) is 847.17 mi.
944 mi = 1,519.70 kms