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.
The total driving distance from Reno, NV to Eureka, NV is 243 miles or 391 kilometers. Your trip begins in Reno, Nevada. It ends in Eureka, Nevada. If you are planning a road trip, you might also want to calculate the total driving time from Reno, NV to Eureka, NV so you can see when you'll arrive at your destination.