The calculated distance (air line) between Bahçelievler and Başakşehir is approximately 7 miles respectively 11 kilometers.
By car or train, the actual journey to Başakşehir is certainly longer, as only the direct route (as the crow flies) between Bahçelievler and Başakşehir has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles