There are
976 mi
from Pearland, TX to Ottumwa, IA
That's the driving distance. It would take 18 hours 23 mins to go from Pearland, Texas to Ottumwa, Iowa.
The flight distance (direct flight from Pearland, TX to Ottumwa, IA) is 807.62 mi.
976 mi = 1,570.47 kms