The calculated distance (air line) between Aleksandrów Kujawski and Bydgoszcz is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Bydgoszcz is certainly longer, as only the direct route (as the crow flies) between Aleksandrów Kujawski and Bydgoszcz has been calculated here.
Air line (approximately)
53 kilometers
29 nautical miles