The calculated distance (air line) between Herblay and Maisons-Laffitte is approximately 3 miles respectively 5 kilometers.
By car or train, the actual journey to Maisons-Laffitte is certainly longer, as only the direct route (as the crow flies) between Herblay and Maisons-Laffitte has been calculated here.
Air line (approximately)
5 kilometers
2 nautical miles