The calculated distance (air line) between Piława Górna and Bydgoszcz is approximately 177 miles respectively 285 kilometers.
By car or train, the actual journey to Bydgoszcz is certainly longer, as only the direct route (as the crow flies) between Piława Górna and Bydgoszcz has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles