The calculated distance (air line) between Stary Sącz and Praga Południe is approximately 186 miles respectively 300 kilometers.
By car or train, the actual journey to Praga Południe is certainly longer, as only the direct route (as the crow flies) between Stary Sącz and Praga Południe has been calculated here.
Air line (approximately)
300 kilometers
162 nautical miles