There are
1,658 mi
from Lewisville, TX to Middletown, CT
That's the driving distance. It would take 1 day 6 hours to go from Lewisville, Texas to Middletown, Connecticut.
The flight distance (direct flight from Lewisville, TX to Middletown, CT) is 1,455.04 mi.
1,658 mi = 1.61 kms