The calculated distance (air line) between Bydgoszcz and Praga Południe is approximately 143 miles respectively 229 kilometers.
By car or train, the actual journey to Praga Południe is certainly longer, as only the direct route (as the crow flies) between Bydgoszcz and Praga Południe has been calculated here.
Air line (approximately)
229 kilometers
124 nautical miles