The calculated distance (air line) between Chertanovo Yuzhnoye and Kotlovka is approximately 5 miles respectively 8 kilometers.
By car or train, the actual journey to Kotlovka is certainly longer, as only the direct route (as the crow flies) between Chertanovo Yuzhnoye and Kotlovka has been calculated here.
Air line (approximately)
8 kilometers
4 nautical miles