The calculated distance (air line) between Bochum-Hordel and Würzburg is approximately 169 miles respectively 273 kilometers.
By car or train, the actual journey to Würzburg is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Würzburg has been calculated here.
Air line (approximately)
273 kilometers
147 nautical miles