The calculated distance (air line) between Büyükçekmece and Çiftlikköy is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Çiftlikköy is certainly longer, as only the direct route (as the crow flies) between Büyükçekmece and Çiftlikköy has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles