The calculated distance (air line) between Ginsheim-Gustavsburg and Bochum is approximately 115 miles respectively 186 kilometers.
By car or train, the actual journey to Bochum is certainly longer, as only the direct route (as the crow flies) between Ginsheim-Gustavsburg and Bochum has been calculated here.
Air line (approximately)
186 kilometers
100 nautical miles