The calculated distance (air line) between Dęblin and Bielsko-Biala is approximately 172 miles respectively 276 kilometers.
By car or train, the actual journey to Bielsko-Biala is certainly longer, as only the direct route (as the crow flies) between Dęblin and Bielsko-Biala has been calculated here.
Air line (approximately)
276 kilometers
149 nautical miles