The calculated distance (air line) between Polanica-Zdrój and Sosnowiec is approximately 115 miles respectively 184 kilometers.
By car or train, the actual journey to Sosnowiec is certainly longer, as only the direct route (as the crow flies) between Polanica-Zdrój and Sosnowiec has been calculated here.
Air line (approximately)
184 kilometers
99 nautical miles