The calculated distance (air line) between Bāmyān and Zarghūn Shahr is approximately 141 miles respectively 227 kilometers.
By car or train, the actual journey to Zarghūn Shahr is certainly longer, as only the direct route (as the crow flies) between Bāmyān and Zarghūn Shahr has been calculated here.
Air line (approximately)
227 kilometers
122 nautical miles