The calculated distance (air line) between Sandomierz and Ruda Śląska is approximately 131 miles respectively 210 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Sandomierz and Ruda Śląska has been calculated here.
Air line (approximately)
210 kilometers
113 nautical miles