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