The calculated distance (air line) between Chełm Śląski and Ruda Śląska is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Chełm Śląski and Ruda Śląska has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles