The calculated distance (air line) between Góra Kalwaria and Praga Południe is approximately 19 miles respectively 31 kilometers.
By car or train, the actual journey to Praga Południe is certainly longer, as only the direct route (as the crow flies) between Góra Kalwaria and Praga Południe has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles