The calculated distance (air line) between Radymno and Bielsko-Biala is approximately 168 miles respectively 271 kilometers.
By car or train, the actual journey to Bielsko-Biala is certainly longer, as only the direct route (as the crow flies) between Radymno and Bielsko-Biala has been calculated here.
Air line (approximately)
271 kilometers
146 nautical miles