The calculated distance (air line) between Czerwionka-Leszczyny and Sosnowiec is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Sosnowiec is certainly longer, as only the direct route (as the crow flies) between Czerwionka-Leszczyny and Sosnowiec has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles