The calculated distance (air line) between Bakhmut and Nyzhnia Krynka is approximately 34 miles respectively 55 kilometers.
By car or train, the actual journey to Nyzhnia Krynka is certainly longer, as only the direct route (as the crow flies) between Bakhmut and Nyzhnia Krynka has been calculated here.
Air line (approximately)
55 kilometers
30 nautical miles