The calculated distance (air line) between Mazār-e Sharīf and Shahritus is approximately 68 miles respectively 110 kilometers.
By car or train, the actual journey to Shahritus is certainly longer, as only the direct route (as the crow flies) between Mazār-e Sharīf and Shahritus has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles