There are
2,522 mi
from Thousand Oaks, CA to Johnstown, PA
That's the driving distance. It would take 1 day 21 hours to go from Thousand Oaks, California to Johnstown, Pennsylvania.
The flight distance (direct flight from Thousand Oaks, CA to Johnstown, PA) is 2,216.88 mi.
2,522 mi = 3.22 kms