The calculated distance (air line) between Dąbrowa Białostocka and Śródmieście is approximately 138 miles respectively 222 kilometers.
By car or train, the actual journey to Śródmieście is certainly longer, as only the direct route (as the crow flies) between Dąbrowa Białostocka and Śródmieście has been calculated here.
Air line (approximately)
222 kilometers
120 nautical miles