The calculated distance (air line) between Piwniczna-Zdrój and Sosnowiec is approximately 93 miles respectively 149 kilometers.
By car or train, the actual journey to Sosnowiec is certainly longer, as only the direct route (as the crow flies) between Piwniczna-Zdrój and Sosnowiec has been calculated here.
Air line (approximately)
149 kilometers
80 nautical miles