There are
1,139 mi
from Norwalk, CT to Altoona, IA
That's the driving distance. It would take 21 hours 14 mins to go from Norwalk, Connecticut to Altoona, Iowa.
The flight distance (direct flight from Norwalk, CT to Altoona, IA) is 1,038.46 mi.
1,139 mi = 1.61 kms