There are
1,644 mi
from Baton Rouge, LA to Laconia, NH
That's the driving distance. It would take 1 day 7 hours to go from Baton Rouge, Louisiana to Laconia, New Hampshire.
The flight distance (direct flight from Baton Rouge, LA to Laconia, NH) is 1,405.58 mi.
1,644 mi = 1.61 kms