The calculated distance (air line) between Sucy-en-Brie and Le Havre is approximately 121 miles respectively 194 kilometers.
By car or train, the actual journey to Le Havre is certainly longer, as only the direct route (as the crow flies) between Sucy-en-Brie and Le Havre has been calculated here.
Air line (approximately)
194 kilometers
105 nautical miles