The calculated distance (air line) between Bağcılar and Büyükçekmece is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Büyükçekmece is certainly longer, as only the direct route (as the crow flies) between Bağcılar and Büyükçekmece has been calculated here.
Air line (approximately)
23 kilometers
12 nautical miles