The calculated distance (air line) between Nowy Dwór Mazowiecki and Bydgoszcz is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Bydgoszcz is certainly longer, as only the direct route (as the crow flies) between Nowy Dwór Mazowiecki and Bydgoszcz has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles