There are
2,010 mi
from Dekalb, IL to Oxnard, CA
That's the driving distance. It would take 1 day 11 hours to go from Dekalb, Illinois to Oxnard, California.
The flight distance (direct flight from Dekalb, IL to Oxnard, CA) is 1,728.69 mi.
2,010 mi = 3,234.84 kms