There are
1,083 mi
from Norwalk, CT to Hannibal, MO
That's the driving distance. It would take 20 hours 26 mins to go from Norwalk, Connecticut to Hannibal, Missouri.
The flight distance (direct flight from Norwalk, CT to Hannibal, MO) is 947.64 mi.
1,083 mi = 1.61 kms