The calculated distance (air line) between Gonbad-e Kāvūs and Fereydūn Kenār is approximately 151 miles respectively 244 kilometers.
By car or train, the actual journey to Fereydūn Kenār is certainly longer, as only the direct route (as the crow flies) between Gonbad-e Kāvūs and Fereydūn Kenār has been calculated here.
Air line (approximately)
244 kilometers
131 nautical miles