The calculated distance (air line) between Konstancin-Jeziorna and Rzeszów is approximately 147 miles respectively 236 kilometers.
By car or train, the actual journey to Rzeszów is certainly longer, as only the direct route (as the crow flies) between Konstancin-Jeziorna and Rzeszów has been calculated here.
Air line (approximately)
236 kilometers
128 nautical miles