There are
1,763 mi
from Lake Charles, LA to Somersworth, NH
That's the driving distance. It would take 1 day 9 hours to go from Lake Charles, Louisiana to Somersworth, New Hampshire.
The flight distance (direct flight from Lake Charles, LA to Somersworth, NH) is 1,522.47 mi.
1,763 mi = 1.61 kms