The calculated distance (air line) between Bāmyān and Zaṟah Sharan is approximately 128 miles respectively 206 kilometers.
By car or train, the actual journey to Zaṟah Sharan is certainly longer, as only the direct route (as the crow flies) between Bāmyān and Zaṟah Sharan has been calculated here.
Air line (approximately)
206 kilometers
111 nautical miles