The calculated distance (air line) between Szczawno-Zdrój and Wrocław is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Wrocław is certainly longer, as only the direct route (as the crow flies) between Szczawno-Zdrój and Wrocław has been calculated here.
Air line (approximately)
64 kilometers
34 nautical miles