There are
1,626 mi
from Danbury, CT to Duncanville, TX
That's the driving distance. It would take 1 day 5 hours to go from Danbury, Connecticut to Duncanville, Texas.
The flight distance (direct flight from Danbury, CT to Duncanville, TX) is 1,421.80 mi.
1,626 mi = 1.61 kms