The calculated distance (air line) between Başakşehir and Çiftlikköy is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Çiftlikköy is certainly longer, as only the direct route (as the crow flies) between Başakşehir and Çiftlikköy has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles