There are
2,375 mi
from Fremont, CA to Trotwood, OH
That's the driving distance. It would take 1 day 17 hours to go from Fremont, California to Trotwood, Ohio.
The flight distance (direct flight from Fremont, CA to Trotwood, OH) is 2,023.39 mi.
2,375 mi = 3.22 kms