The calculated distance (air line) between Soisy-sous-Montmorency and Saint-Brice-sous-Forêt is approximately 3 miles respectively 4 kilometers.
By car or train, the actual journey to Saint-Brice-sous-Forêt is certainly longer, as only the direct route (as the crow flies) between Soisy-sous-Montmorency and Saint-Brice-sous-Forêt has been calculated here.
Air line (approximately)
4 kilometers
2 nautical miles