Be sure to have enough gas in the tank, because Cologne is worth a detour. Located 35 miles from Drolshagen, it offers some terrific attractions, such as Cologne Cathedral and RheinEnergieStadion. Still up for some sightseeing? Key Düsseldorf into your GPS. This delightful destination also offers some rewarding sights like Rhine Tower and Duesseldorf City Hall, and it’s just 45 miles away.