The calculated distance (air line) between Neugraben-Fischbek and Gelsenkirchen is approximately 178 miles respectively 287 kilometers.
By car or train, the actual journey to Gelsenkirchen is certainly longer, as only the direct route (as the crow flies) between Neugraben-Fischbek and Gelsenkirchen has been calculated here.
Air line (approximately)
287 kilometers
155 nautical miles