There are
1,070 mi
from Sioux City, IA to Altoona, PA
That's the driving distance. It would take 20 hours 2 mins to go from Sioux City, Iowa to Altoona, Pennsylvania.
The flight distance (direct flight from Sioux City, IA to Altoona, PA) is 939.79 mi.
1,070 mi = 1.61 kms