The calculated distance (air line) between Bielsko-Biala and Stalowa Wola is approximately 143 miles respectively 230 kilometers.
By car or train, the actual journey to Stalowa Wola is certainly longer, as only the direct route (as the crow flies) between Bielsko-Biala and Stalowa Wola has been calculated here.
Air line (approximately)
230 kilometers
124 nautical miles