There are
1,883 mi
from Oxnard, CA to Lake St Louis, MO
That's the driving distance. It would take 1 day 9 hours to go from Oxnard, California to Lake St Louis, Missouri.
The flight distance (direct flight from Oxnard, CA to Lake St Louis, MO) is 1,601.67 mi.
1,883 mi = 1.61 kms