The calculated distance (air line) between Saint-Germain-lès-Corbeil and Amiens is approximately 89 miles respectively 143 kilometers.
By car or train, the actual journey to Amiens is certainly longer, as only the direct route (as the crow flies) between Saint-Germain-lès-Corbeil and Amiens has been calculated here.
Air line (approximately)
143 kilometers
77 nautical miles