There are
1,603 mi
from Norwalk, CT to Lewisville, TX
That's the driving distance. It would take 1 day 5 hours to go from Norwalk, Connecticut to Lewisville, Texas.
The flight distance (direct flight from Norwalk, CT to Lewisville, TX) is 1,408.87 mi.
1,603 mi = 1.61 kms