The calculated distance (air line) between Bohodukhiv and Proletarskiy is approximately 45 miles respectively 72 kilometers.
By car or train, the actual journey to Proletarskiy is certainly longer, as only the direct route (as the crow flies) between Bohodukhiv and Proletarskiy has been calculated here.
Air line (approximately)
72 kilometers
39 nautical miles