The calculated distance (air line) between Bogatynia and Ruda Śląska is approximately 177 miles respectively 285 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Bogatynia and Ruda Śląska has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles