There are
1,523 mi
from San Marcos, CA to Dickinson, ND
That's the driving distance. It would take 1 day 3 hours to go from San Marcos, California to Dickinson, North Dakota.
The flight distance (direct flight from San Marcos, CA to Dickinson, ND) is 1,212.25 mi.
1,523 mi = 1.61 kms