There are
2,499 mi
from Huntington Beach, CA to Johnstown, PA
That's the driving distance. It would take 1 day 21 hours to go from Huntington Beach, California to Johnstown, Pennsylvania.
The flight distance (direct flight from Huntington Beach, CA to Johnstown, PA) is 2,186.64 mi.
2,499 mi = 3.22 kms