The big difference is that cumulative is far more common than accumulative. At the level of actual meaning, to the extent that accumulative is used at all, it tends to refer to someone/something doing the accumulating. By contrast, cumulative is more associated with that which is accumulated.
Driving distance from Crescent City, CA to Eureka, CA. The total driving distance from Crescent City, CA to Eureka, CA is 84 miles or 135 kilometers. Your trip begins in Crescent City, California. It ends in Eureka, California.
Travel time is an important point to know with the driving distance. Hence you might also want to know the Travel Time from Klamath Falls to Eureka, CA. This will help you estimate how much time you will spend travelling for the distance from Klamath Falls to Eureka.