The calculated distance (air line) between Saint-Germain-en-Laye and Bezons is approximately 6 miles respectively 9 kilometers.
By car or train, the actual journey to Bezons is certainly longer, as only the direct route (as the crow flies) between Saint-Germain-en-Laye and Bezons has been calculated here.
Air line (approximately)
9 kilometers
5 nautical miles