There are
1,575 mi
from Oxnard, CA to Ottawa, KS
That's the driving distance. It would take 1 day 4 hours to go from Oxnard, California to Ottawa, Kansas.
The flight distance (direct flight from Oxnard, CA to Ottawa, KS) is 1,359.94 mi.
1,575 mi = 2,534.61 kms