There are
1,868 mi
from Gainesville, FL to Mandan, ND
That's the driving distance. It would take 1 day 10 hours to go from Gainesville, Florida to Mandan, North Dakota.
The flight distance (direct flight from Gainesville, FL to Mandan, ND) is 1,548.54 mi.
1,868 mi = 1.61 kms