There are
1,819 mi
from Rowlett, TX to Laconia, NH
That's the driving distance. It would take 1 day 10 hours to go from Rowlett, Texas to Laconia, New Hampshire.
The flight distance (direct flight from Rowlett, TX to Laconia, NH) is 1,538.79 mi.
1,819 mi = 2,926.78 kms