Miles between Thousand Oaks, CA and Portsmouth, NH

There are
3,078 mi
from Thousand Oaks, CA to Portsmouth, NH

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

The flight distance (direct flight from Thousand Oaks, CA to Portsmouth, NH) is 2,629.53 mi.

3,078 mi = 4.83 kms