There are
1,594 mi
from Fremont, CA to Mandan, ND
That's the driving distance. It would take 1 day 4 hours to go from Fremont, California to Mandan, North Dakota.
The flight distance (direct flight from Fremont, CA to Mandan, ND) is 1,250.16 mi.
1,594 mi = 1.61 kms