There are
2,345 mi
from Hillsborough, CA to Celina, OH
That's the driving distance. It would take 1 day 17 hours to go from Hillsborough, California to Celina, Ohio.
The flight distance (direct flight from Hillsborough, CA to Celina, OH) is 2,023.21 mi.
2,345 mi = 3,773.81 kms