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.
Crescent City is the closest large town to the main section of Redwood National Park, just 3 miles from the edge of the trees along US 101, while the tiny settlement of Klamath also has one chain hotel. Towns serving the southern end of the park are Mckinleyville, Arcata, Eureka and Fortuna.