The calculated distance (air line) between Selimpaşa and Büyükçekmece is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to Büyükçekmece is certainly longer, as only the direct route (as the crow flies) between Selimpaşa and Büyükçekmece has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles