The calculated distance (air line) between Konstancin-Jeziorna and Łódź is approximately 74 miles respectively 118 kilometers.
By car or train, the actual journey to Łódź is certainly longer, as only the direct route (as the crow flies) between Konstancin-Jeziorna and Łódź has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles