The calculated distance (air line) between Rudnik nad Sanem and Śródmieście is approximately 134 miles respectively 216 kilometers.
By car or train, the actual journey to Śródmieście is certainly longer, as only the direct route (as the crow flies) between Rudnik nad Sanem and Śródmieście has been calculated here.
Air line (approximately)
216 kilometers
117 nautical miles