There are
1,126 mi
from Pharr, TX to Festus, MO
That's the driving distance. It would take 20 hours 17 mins to go from Pharr, Texas to Festus, Missouri.
The flight distance (direct flight from Pharr, TX to Festus, MO) is 946.53 mi.
1,126 mi = 1,812.12 kms