The calculated distance (air line) between Le Pré-Saint-Gervais and Le Havre is approximately 112 miles respectively 180 kilometers.
By car or train, the actual journey to Le Havre is certainly longer, as only the direct route (as the crow flies) between Le Pré-Saint-Gervais and Le Havre has been calculated here.
Air line (approximately)
180 kilometers
97 nautical miles