The calculated distance (air line) between Chocianów and Ruda Śląska is approximately 152 miles respectively 244 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Chocianów and Ruda Śląska has been calculated here.
Air line (approximately)
244 kilometers
132 nautical miles