The calculated distance (air line) between Praga Południe and Nowy Sącz is approximately 182 miles respectively 293 kilometers.
By car or train, the actual journey to Nowy Sącz is certainly longer, as only the direct route (as the crow flies) between Praga Południe and Nowy Sącz has been calculated here.
Air line (approximately)
293 kilometers
158 nautical miles