The calculated distance (air line) between Neuville-en-Ferrain and Saint-Quentin-en-Yvelines is approximately 146 miles respectively 234 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 Neuville-en-Ferrain and Saint-Quentin-en-Yvelines has been calculated here.
Air line (approximately)
234 kilometers
127 nautical miles