Miles between Costa Mesa, CA and Portsmouth, NH

There are
3,052 mi
from Costa Mesa, CA to Portsmouth, NH

That's the driving distance. It would take 2 days 6 hours to go from Costa Mesa, California to Portsmouth, New Hampshire.

The flight distance (direct flight from Costa Mesa, CA to Portsmouth, NH) is 2,600.61 mi.

3,052 mi = 4.83 kms