The calculated distance (air line) between Saint-Brice-sous-Forêt and Le Havre is approximately 107 miles respectively 172 kilometers.
By car or train, the actual journey to Le Havre is certainly longer, as only the direct route (as the crow flies) between Saint-Brice-sous-Forêt and Le Havre has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles