The calculated distance (air line) between Le Perray-en-Yvelines and Amiens is approximately 86 miles respectively 138 kilometers.
By car or train, the actual journey to Amiens is certainly longer, as only the direct route (as the crow flies) between Le Perray-en-Yvelines and Amiens has been calculated here.
Air line (approximately)
138 kilometers
74 nautical miles