Miles between Oceanside, CA and Portsmouth, NH

There are
3,077 mi
from Oceanside, CA to Portsmouth, NH

That's the driving distance. It would take 2 days 7 hours to go from Oceanside, California to Portsmouth, New Hampshire.

The flight distance (direct flight from Oceanside, CA to Portsmouth, NH) is 2,588.25 mi.

3,077 mi = 4.83 kms