The calculated distance (air line) between Pervomaysk and Novoarkhanhelsk is approximately 43 miles respectively 69 kilometers.
By car or train, the actual journey to Novoarkhanhelsk is certainly longer, as only the direct route (as the crow flies) between Pervomaysk and Novoarkhanhelsk has been calculated here.
Air line (approximately)
69 kilometers
37 nautical miles