The calculated distance (air line) between Neckarsulm and Bochum-Hordel is approximately 184 miles respectively 295 kilometers.
By car or train, the actual journey to Bochum-Hordel is certainly longer, as only the direct route (as the crow flies) between Neckarsulm and Bochum-Hordel has been calculated here.
Air line (approximately)
295 kilometers
159 nautical miles