The calculated distance (air line) between Lądek-Zdrój and Częstochowa is approximately 103 miles respectively 166 kilometers.
By car or train, the actual journey to Częstochowa is certainly longer, as only the direct route (as the crow flies) between Lądek-Zdrój and Częstochowa has been calculated here.
Air line (approximately)
166 kilometers
90 nautical miles