The calculated distance (air line) between Boguszów-Gorce and Sosnowiec is approximately 131 miles respectively 211 kilometers.
By car or train, the actual journey to Sosnowiec is certainly longer, as only the direct route (as the crow flies) between Boguszów-Gorce and Sosnowiec has been calculated here.
Air line (approximately)
211 kilometers
114 nautical miles