The calculated distance (air line) between Sterlibashevo and Novosergiyevka is approximately 115 miles respectively 184 kilometers.
By car or train, the actual journey to Novosergiyevka is certainly longer, as only the direct route (as the crow flies) between Sterlibashevo and Novosergiyevka has been calculated here.
Air line (approximately)
184 kilometers
99 nautical miles