There are
1,599 mi
from Stamford, CT to Duncanville, TX
That's the driving distance. It would take 1 day 5 hours to go from Stamford, Connecticut to Duncanville, Texas.
The flight distance (direct flight from Stamford, CT to Duncanville, TX) is 1,410.63 mi.
1,599 mi = 1.61 kms