The calculated distance (air line) between Bochum-Hordel and Aiseau is approximately 136 miles respectively 218 kilometers.
By car or train, the actual journey to Aiseau is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Aiseau has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles