The calculated distance (air line) between Nowy Dwór Mazowiecki and Wrocław is approximately 182 miles respectively 293 kilometers.
By car or train, the actual journey to Wrocław is certainly longer, as only the direct route (as the crow flies) between Nowy Dwór Mazowiecki and Wrocław has been calculated here.
Air line (approximately)
293 kilometers
158 nautical miles