The calculated distance (air line) between Sivrihisar and Bahçelievler is approximately 177 miles respectively 285 kilometers.
By car or train, the actual journey to Bahçelievler is certainly longer, as only the direct route (as the crow flies) between Sivrihisar and Bahçelievler has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles