The calculated distance (air line) between Razdol’noye and Chernomorskoye is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Chernomorskoye is certainly longer, as only the direct route (as the crow flies) between Razdol’noye and Chernomorskoye has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles