The calculated distance (air line) between Kielce and Bielsko-Biala is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Bielsko-Biala is certainly longer, as only the direct route (as the crow flies) between Kielce and Bielsko-Biala has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles