There are
1,816 mi
from Lewisville, TX to Concord, NH
That's the driving distance. It would take 1 day 10 hours to go from Lewisville, Texas to Concord, New Hampshire.
The flight distance (direct flight from Lewisville, TX to Concord, NH) is 1,543.02 mi.
1,816 mi = 1.61 kms