The calculated distance (air line) between Les Clayes-sous-Bois and Saint-Germain-en-Laye is approximately 7 miles respectively 11 kilometers.
By car or train, the actual journey to Saint-Germain-en-Laye is certainly longer, as only the direct route (as the crow flies) between Les Clayes-sous-Bois and Saint-Germain-en-Laye has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles