The calculated distance (air line) between Grevesmühlen and Eimsbüttel is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Eimsbüttel is certainly longer, as only the direct route (as the crow flies) between Grevesmühlen and Eimsbüttel has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles