The calculated distance (air line) between Miasteczko Śląskie and Mokotów is approximately 148 miles respectively 238 kilometers.
By car or train, the actual journey to Mokotów is certainly longer, as only the direct route (as the crow flies) between Miasteczko Śląskie and Mokotów has been calculated here.
Air line (approximately)
238 kilometers
128 nautical miles