The calculated distance (air line) between Ataşehir and Başakşehir is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Başakşehir is certainly longer, as only the direct route (as the crow flies) between Ataşehir and Başakşehir has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles