There are
2,043 mi
from Oxnard, CA to Naperville, IL
That's the driving distance. It would take 1 day 11 hours to go from Oxnard, California to Naperville, Illinois.
The flight distance (direct flight from Oxnard, CA to Naperville, IL) is 1,758.16 mi.
2,043 mi = 3.22 kms