The calculated distance (air line) between Ataşehir and Sancaktepe is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Sancaktepe is certainly longer, as only the direct route (as the crow flies) between Ataşehir and Sancaktepe has been calculated here.
Air line (approximately)
10 kilometers
5 nautical miles