The calculated distance (air line) between Bakhchysarai and Nizhnegorskiy is approximately 64 miles respectively 103 kilometers.
By car or train, the actual journey to Nizhnegorskiy is certainly longer, as only the direct route (as the crow flies) between Bakhchysarai and Nizhnegorskiy has been calculated here.
Air line (approximately)
103 kilometers
56 nautical miles