The calculated distance (air line) between Częstochowa and Ruda Śląska is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Ruda Śląska is certainly longer, as only the direct route (as the crow flies) between Częstochowa and Ruda Śląska has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles