The calculated distance (air line) between Kąty Wrocławskie and Bydgoszcz is approximately 154 miles respectively 248 kilometers.
By car or train, the actual journey to Bydgoszcz is certainly longer, as only the direct route (as the crow flies) between Kąty Wrocławskie and Bydgoszcz has been calculated here.
Air line (approximately)
248 kilometers
134 nautical miles