There are
2,399 mi
from Springfield, OH to Rohnert Park, CA
That's the driving distance. It would take 1 day 17 hours to go from Springfield, Ohio to Rohnert Park, California.
The flight distance (direct flight from Springfield, OH to Rohnert Park, CA) is 2,070.79 mi.
2,399 mi = 3,861.32 kms