The calculated distance (air line) between Sosnowiec and Ruda Śląska is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Sosnowiec and Ruda Śląska has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles