The calculated distance (air line) between Piotrków Kujawski and Śródmieście is approximately 108 miles respectively 175 kilometers.
By car or train, the actual journey to Śródmieście is certainly longer, as only the direct route (as the crow flies) between Piotrków Kujawski and Śródmieście has been calculated here.
Air line (approximately)
175 kilometers
94 nautical miles