The calculated distance (air line) between Berdyansk and Novoazovs'k is approximately 66 miles respectively 106 kilometers.
By car or train, the actual journey to Novoazovs'k is certainly longer, as only the direct route (as the crow flies) between Berdyansk and Novoazovs'k has been calculated here.
Air line (approximately)
106 kilometers
57 nautical miles