The calculated distance (air line) between Sępolno and Ruda Śląska is approximately 97 miles respectively 156 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Sępolno and Ruda Śląska has been calculated here.
Air line (approximately)
156 kilometers
84 nautical miles