The calculated distance (air line) between Sainte-Geneviève-des-Bois and Amiens is approximately 87 miles respectively 139 kilometers.
By car or train, the actual journey to Amiens is certainly longer, as only the direct route (as the crow flies) between Sainte-Geneviève-des-Bois and Amiens has been calculated here.
Air line (approximately)
139 kilometers
75 nautical miles