The calculated distance (air line) between Sergeyevka and Novoshakhtinskiy is approximately 76 miles respectively 122 kilometers.
By car or train, the actual journey to Novoshakhtinskiy is certainly longer, as only the direct route (as the crow flies) between Sergeyevka and Novoshakhtinskiy has been calculated here.
Air line (approximately)
122 kilometers
66 nautical miles