Miles between Ontario, CA and Eureka, CA

There are
679 mi
from Ontario, CA to Eureka, CA

That's the driving distance. It would take 13 hours 6 mins to go from Ontario, California to Eureka, California.

The flight distance (direct flight from Ontario, CA to Eureka, CA) is 586.53 mi.

679 mi = 1,093.53 kms