The calculated distance (air line) between Şereflikoçhisar and Altpınar is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Altpınar is certainly longer, as only the direct route (as the crow flies) between Şereflikoçhisar and Altpınar has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles