The calculated distance (air line) between Notre-Dame-de-Gravenchon and Cergy-Pontoise is approximately 75 miles respectively 120 kilometers.
By car or train, the actual journey to Cergy-Pontoise is certainly longer, as only the direct route (as the crow flies) between Notre-Dame-de-Gravenchon and Cergy-Pontoise has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles