The calculated distance (air line) between Sainghin-en-Weppes and Saint-Quentin-en-Yvelines is approximately 130 miles respectively 209 kilometers.
By car or train, the actual journey to Saint-Quentin-en-Yvelines is certainly longer, as only the direct route (as the crow flies) between Sainghin-en-Weppes and Saint-Quentin-en-Yvelines has been calculated here.
Air line (approximately)
209 kilometers
113 nautical miles