The calculated distance (air line) between Praga Południe and Piotrków Trybunalski is approximately 83 miles respectively 133 kilometers.
By car or train, the actual journey to Piotrków Trybunalski is certainly longer, as only the direct route (as the crow flies) between Praga Południe and Piotrków Trybunalski has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles