The calculated distance (air line) between Kraśnik and Bielsko-Biala is approximately 159 miles respectively 257 kilometers.
By car or train, the actual journey to Bielsko-Biala is certainly longer, as only the direct route (as the crow flies) between Kraśnik and Bielsko-Biala has been calculated here.
Air line (approximately)
257 kilometers
138 nautical miles