The calculated distance (air line) between Szczawno-Zdrój and Częstochowa is approximately 125 miles respectively 202 kilometers.
By car or train, the actual journey to Częstochowa is certainly longer, as only the direct route (as the crow flies) between Szczawno-Zdrój and Częstochowa has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles