The calculated distance (air line) between Radom and Piotrków Trybunalski is approximately 62 miles respectively 100 kilometers.
By car or train, the actual journey to Piotrków Trybunalski is certainly longer, as only the direct route (as the crow flies) between Radom and Piotrków Trybunalski has been calculated here.
Air line (approximately)
100 kilometers
54 nautical miles