The calculated distance (air line) between Pierrefitte-sur-Seine and Cergy-Pontoise is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Cergy-Pontoise is certainly longer, as only the direct route (as the crow flies) between Pierrefitte-sur-Seine and Cergy-Pontoise has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles