The calculated distance (air line) between Adalar and Merter Keresteciler is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Merter Keresteciler is certainly longer, as only the direct route (as the crow flies) between Adalar and Merter Keresteciler has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles