The calculated distance (air line) between Nowy Dwór Mazowiecki and Mokotów is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Mokotów is certainly longer, as only the direct route (as the crow flies) between Nowy Dwór Mazowiecki and Mokotów has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles