The calculated distance (air line) between Neufchâtel-en-Bray and Amiens is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Amiens is certainly longer, as only the direct route (as the crow flies) between Neufchâtel-en-Bray and Amiens has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles