The calculated distance (air line) between Bielsko-Biala and Tarnowskie Góry is approximately 44 miles respectively 71 kilometers.
By car or train, the actual journey to Tarnowskie Góry is certainly longer, as only the direct route (as the crow flies) between Bielsko-Biala and Tarnowskie Góry has been calculated here.
Air line (approximately)
71 kilometers
38 nautical miles