The calculated distance (air line) between Szczawno-Zdrój and Sosnowiec is approximately 130 miles respectively 209 kilometers.
By car or train, the actual journey to Sosnowiec is certainly longer, as only the direct route (as the crow flies) between Szczawno-Zdrój and Sosnowiec has been calculated here.
Air line (approximately)
209 kilometers
113 nautical miles