The calculated distance (air line) between Konstantynów Łódzki and Mokotów is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Mokotów is certainly longer, as only the direct route (as the crow flies) between Konstantynów Łódzki and Mokotów has been calculated here.
Air line (approximately)
127 kilometers
69 nautical miles