The calculated distance (air line) between Grodzisk Mazowiecki and Ruda Śląska is approximately 149 miles respectively 240 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Grodzisk Mazowiecki and Ruda Śląska has been calculated here.
Air line (approximately)
240 kilometers
129 nautical miles