The calculated distance (air line) between Rudnik nad Sanem and Ruda Śląska is approximately 150 miles respectively 242 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Rudnik nad Sanem and Ruda Śląska has been calculated here.
Air line (approximately)
242 kilometers
130 nautical miles