There are
1,608 mi
from Norwalk, CT to Duncanville, TX
That's the driving distance. It would take 1 day 5 hours to go from Norwalk, Connecticut to Duncanville, Texas.
The flight distance (direct flight from Norwalk, CT to Duncanville, TX) is 1,418.44 mi.
1,608 mi = 1.61 kms