Miles between Downey, CA and Portsmouth, NH

There are
3,043 mi
from Downey, CA to Portsmouth, NH

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

The flight distance (direct flight from Downey, CA to Portsmouth, NH) is 2,601.53 mi.

3,043 mi = 4.83 kms