The calculated distance (air line) between Wrocław and Bielsko-Biala is approximately 125 miles respectively 201 kilometers.
By car or train, the actual journey to Bielsko-Biala is certainly longer, as only the direct route (as the crow flies) between Wrocław and Bielsko-Biala has been calculated here.
Air line (approximately)
201 kilometers
109 nautical miles