The calculated distance (air line) between Yekaterinburg and Nizhniye Sergi is approximately 51 miles respectively 83 kilometers.
By car or train, the actual journey to Nizhniye Sergi is certainly longer, as only the direct route (as the crow flies) between Yekaterinburg and Nizhniye Sergi has been calculated here.
Air line (approximately)
83 kilometers
45 nautical miles