The calculated distance (air line) between Szczebrzeszyn and Śródmieście is approximately 136 miles respectively 218 kilometers.
By car or train, the actual journey to Śródmieście is certainly longer, as only the direct route (as the crow flies) between Szczebrzeszyn and Śródmieście has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles