The calculated distance (air line) between Walsrode and Bochum-Hordel is approximately 139 miles respectively 224 kilometers.
By car or train, the actual journey to Bochum-Hordel is certainly longer, as only the direct route (as the crow flies) between Walsrode and Bochum-Hordel has been calculated here.
Air line (approximately)
224 kilometers
121 nautical miles