The calculated distance (air line) between Lys-lez-Lannoy and Amiens is approximately 67 miles respectively 107 kilometers.
By car or train, the actual journey to Amiens is certainly longer, as only the direct route (as the crow flies) between Lys-lez-Lannoy and Amiens has been calculated here.
Air line (approximately)
107 kilometers
58 nautical miles