The calculated distance (air line) between Bol’shoy Kamen’ and Slavyanka is approximately 52 miles respectively 83 kilometers.
By car or train, the actual journey to Slavyanka is certainly longer, as only the direct route (as the crow flies) between Bol’shoy Kamen’ and Slavyanka has been calculated here.
Air line (approximately)
83 kilometers
45 nautical miles