Miles between Lake Forest, CA and Portsmouth, NH

There are
3,045 mi
from Lake Forest, CA to Portsmouth, NH

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

The flight distance (direct flight from Lake Forest, CA to Portsmouth, NH) is 2,588.81 mi.

3,045 mi = 4.83 kms