The calculated distance (air line) between Polanica-Zdrój and Wrocław is approximately 53 miles respectively 86 kilometers.
By car or train, the actual journey to Wrocław is certainly longer, as only the direct route (as the crow flies) between Polanica-Zdrój and Wrocław has been calculated here.
Air line (approximately)
86 kilometers
46 nautical miles