The calculated distance (air line) between Neugraben-Fischbek and Bochum is approximately 176 miles respectively 283 kilometers.
By car or train, the actual journey to Bochum is certainly longer, as only the direct route (as the crow flies) between Neugraben-Fischbek and Bochum has been calculated here.
Air line (approximately)
283 kilometers
153 nautical miles