There are
2,544 mi
from Oxnard, CA to Johnstown, PA
That's the driving distance. It would take 1 day 21 hours to go from Oxnard, California to Johnstown, Pennsylvania.
The flight distance (direct flight from Oxnard, CA to Johnstown, PA) is 2,234 mi.
2,544 mi = 3.22 kms