The calculated distance (air line) between Mszczonów and Ruda Śląska is approximately 139 miles respectively 223 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Mszczonów and Ruda Śląska has been calculated here.
Air line (approximately)
223 kilometers
121 nautical miles