The calculated distance (air line) between Pervomayskoye and Razdol’noye is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Razdol’noye is certainly longer, as only the direct route (as the crow flies) between Pervomayskoye and Razdol’noye has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles