There are
920 mi
from Greensboro, NC to Ottumwa, IA
That's the driving distance. It would take 17 hours 44 mins to go from Greensboro, North Carolina to Ottumwa, Iowa.
The flight distance (direct flight from Greensboro, NC to Ottumwa, IA) is 761.52 mi.
920 mi = 1,480.46 kms