The calculated distance (air line) between Nowy Tomyśl and Ruda Śląska is approximately 185 miles respectively 297 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Nowy Tomyśl and Ruda Śląska has been calculated here.
Air line (approximately)
297 kilometers
161 nautical miles