The calculated distance (air line) between Cesson-Sévigné and Saint-Quentin-en-Yvelines is approximately 172 miles respectively 277 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 Cesson-Sévigné and Saint-Quentin-en-Yvelines has been calculated here.
Air line (approximately)
277 kilometers
149 nautical miles