The calculated distance (air line) between Jouars-Pontchartrain and Orléans is approximately 61 miles respectively 99 kilometers.
By car or train, the actual journey to Orléans is certainly longer, as only the direct route (as the crow flies) between Jouars-Pontchartrain and Orléans has been calculated here.
Air line (approximately)
99 kilometers
53 nautical miles