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