There are
1,134 mi
from Suwanee, GA to Amarillo, TX
That's the driving distance. It would take 20 hours 5 mins to go from Suwanee, Georgia to Amarillo, Texas.
The flight distance (direct flight from Suwanee, GA to Amarillo, TX) is 1,011.49 mi.
1,134 mi = 1,825.02 kms