The calculated distance (air line) between Bochum-Hordel and Florenville is approximately 149 miles respectively 240 kilometers.
By car or train, the actual journey to Florenville is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Florenville has been calculated here.
Air line (approximately)
240 kilometers
129 nautical miles