The calculated distance (air line) between Jabal os Saraj and Bāmyān is approximately 82 miles respectively 133 kilometers.
By car or train, the actual journey to Bāmyān is certainly longer, as only the direct route (as the crow flies) between Jabal os Saraj and Bāmyān has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles