There are
2,453 mi
from Santee, CA to Greensburg, PA
That's the driving distance. It would take 1 day 19 hours to go from Santee, California to Greensburg, Pennsylvania.
The flight distance (direct flight from Santee, CA to Greensburg, PA) is 2,123.47 mi.
2,453 mi = 3,947.73 kms