The calculated distance (air line) between Mokotów and Siemianowice Śląskie is approximately 155 miles respectively 250 kilometers.
By car or train, the actual journey to Siemianowice Śląskie is certainly longer, as only the direct route (as the crow flies) between Mokotów and Siemianowice Śląskie has been calculated here.
Air line (approximately)
250 kilometers
135 nautical miles