There are
2,560 mi
from Erie, PA to Rohnert Park, CA
That's the driving distance. It would take 1 day 20 hours to go from Erie, Pennsylvania to Rohnert Park, California.
The flight distance (direct flight from Erie, PA to Rohnert Park, CA) is 2,239.63 mi.
2,560 mi = 4,119.12 kms