The calculated distance (air line) between Vyerkhnyadzvinsk and Smarhoń is approximately 108 miles respectively 175 kilometers.
By car or train, the actual journey to Smarhoń is certainly longer, as only the direct route (as the crow flies) between Vyerkhnyadzvinsk and Smarhoń has been calculated here.
Air line (approximately)
175 kilometers
94 nautical miles