The calculated distance (air line) between Īstgāh-e Rāh Āhan-e Garmsār and Damāvand is approximately 36 miles respectively 58 kilometers.
By car or train, the actual journey to Damāvand is certainly longer, as only the direct route (as the crow flies) between Īstgāh-e Rāh Āhan-e Garmsār and Damāvand has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles