There are
401 mi
from Oxnard, CA to Suisun City, CA
That's the driving distance. It would take 7 hours 34 mins to go from Oxnard, California to Suisun City, California.
The flight distance (direct flight from Oxnard, CA to Suisun City, CA) is 321.53 mi.
401 mi = 645.86 kms