The calculated distance (air line) between Auvers-sur-Oise and Le Havre is approximately 97 miles respectively 157 kilometers.
By car or train, the actual journey to Le Havre is certainly longer, as only the direct route (as the crow flies) between Auvers-sur-Oise and Le Havre has been calculated here.
Air line (approximately)
157 kilometers
85 nautical miles