There are
2,401 mi
from San Bernardino, CA to Greensburg, PA
That's the driving distance. It would take 1 day 18 hours to go from San Bernardino, California to Greensburg, Pennsylvania.
The flight distance (direct flight from San Bernardino, CA to Greensburg, PA) is 2,104.57 mi.
2,401 mi = 3,863.66 kms