The calculated distance (air line) between Piotrków Kujawski and Wrocław is approximately 118 miles respectively 190 kilometers.
By car or train, the actual journey to Wrocław is certainly longer, as only the direct route (as the crow flies) between Piotrków Kujawski and Wrocław has been calculated here.
Air line (approximately)
190 kilometers
103 nautical miles