The calculated distance (air line) between Köseköy and Karasu Mahallesi is approximately 47 miles respectively 75 kilometers.
By car or train, the actual journey to Karasu Mahallesi is certainly longer, as only the direct route (as the crow flies) between Köseköy and Karasu Mahallesi has been calculated here.
Air line (approximately)
75 kilometers
41 nautical miles