The calculated distance (air line) between Maydanshakhr and Bāmyān is approximately 66 miles respectively 106 kilometers.
By car or train, the actual journey to Bāmyān is certainly longer, as only the direct route (as the crow flies) between Maydanshakhr and Bāmyān has been calculated here.
Air line (approximately)
106 kilometers
57 nautical miles