There are
988 mi
from Flagstaff, AZ to Leander, TX
That's the driving distance. It would take 17 hours 32 mins to go from Flagstaff, Arizona to Leander, Texas.
The flight distance (direct flight from Flagstaff, AZ to Leander, TX) is 860.27 mi.
988 mi = 1,590.19 kms