The calculated distance (air line) between Biryulëvo Zapadnoye 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 Biryulëvo Zapadnoye and Kotlovka has been calculated here.
Air line (approximately)
8 kilometers
4 nautical miles