There are
2,505 mi
from Oxnard, CA to Greensburg, PA
That's the driving distance. It would take 1 day 20 hours to go from Oxnard, California to Greensburg, Pennsylvania.
The flight distance (direct flight from Oxnard, CA to Greensburg, PA) is 2,201.58 mi.
2,505 mi = 3.22 kms