The calculated distance (air line) between Koźmin Wielkopolski and Praga Południe is approximately 157 miles respectively 253 kilometers.
By car or train, the actual journey to Praga Południe is certainly longer, as only the direct route (as the crow flies) between Koźmin Wielkopolski and Praga Południe has been calculated here.
Air line (approximately)
253 kilometers
136 nautical miles