There are
1,006 mi
from Norwalk, CT to Collinsville, IL
That's the driving distance. It would take 18 hours 59 mins to go from Norwalk, Connecticut to Collinsville, Illinois.
The flight distance (direct flight from Norwalk, CT to Collinsville, IL) is 893.42 mi.
1,006 mi = 1.61 kms