There are
1,890 mi
from Oxnard, CA to Cahokia, IL
That's the driving distance. It would take 1 day 9 hours to go from Oxnard, California to Cahokia, Illinois.
The flight distance (direct flight from Oxnard, CA to Cahokia, IL) is 1,633.38 mi.
1,890 mi = 1.61 kms