There are
1,486 mi
from San Leandro, CA to Williston, ND
That's the driving distance. It would take 1 day 2 hours to go from San Leandro, California to Williston, North Dakota.
The flight distance (direct flight from San Leandro, CA to Williston, ND) is 1,177.10 mi.
1,486 mi = 1.61 kms