The calculated distance (air line) between Nizhny Tagil and Verkhniye Sergi is approximately 89 miles respectively 144 kilometers.
By car or train, the actual journey to Verkhniye Sergi is certainly longer, as only the direct route (as the crow flies) between Nizhny Tagil and Verkhniye Sergi has been calculated here.
Air line (approximately)
144 kilometers
78 nautical miles