The calculated distance (air line) between Kotlovka and Matveyevskoye is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Matveyevskoye is certainly longer, as only the direct route (as the crow flies) between Kotlovka and Matveyevskoye has been calculated here.
Air line (approximately)
10 kilometers
5 nautical miles