The calculated distance (air line) between Caudebec-lès-Elbeuf and Le Havre is approximately 44 miles respectively 70 kilometers.
By car or train, the actual journey to Le Havre is certainly longer, as only the direct route (as the crow flies) between Caudebec-lès-Elbeuf and Le Havre has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles