The calculated distance (air line) between Chevigny-Saint-Sauveur and Cergy-Pontoise is approximately 185 miles respectively 298 kilometers.
By car or train, the actual journey to Cergy-Pontoise is certainly longer, as only the direct route (as the crow flies) between Chevigny-Saint-Sauveur and Cergy-Pontoise has been calculated here.
Air line (approximately)
298 kilometers
161 nautical miles