The calculated distance (air line) between Yeniçağa and Bahçelievler is approximately 167 miles respectively 268 kilometers.
By car or train, the actual journey to Bahçelievler is certainly longer, as only the direct route (as the crow flies) between Yeniçağa and Bahçelievler has been calculated here.
Air line (approximately)
268 kilometers
145 nautical miles