There are
1,619 mi
from Thousand Oaks, CA to Mandan, ND
That's the driving distance. It would take 1 day 4 hours to go from Thousand Oaks, California to Mandan, North Dakota.
The flight distance (direct flight from Thousand Oaks, CA to Mandan, ND) is 1,280.33 mi.
1,619 mi = 1.61 kms