There are
1,831 mi
from Ottawa, KS to San Anselmo, CA
That's the driving distance. It would take 1 day 7 hours to go from Ottawa, Kansas to San Anselmo, California.
The flight distance (direct flight from Ottawa, KS to San Anselmo, CA) is 1,475.27 mi.
1,831 mi = 2,946.01 kms