Map and Directions

Map of the Orsay campus

From the RER

See the indications Orsay RER -> IAS on a larger map

Châtelet-les-Halles - Orsay-Ville : 35 min
Luxembourg - Orsay-Ville : 32 min
Denfert-Rochereau - Orsay-Ville : 28 min
Antony - Orsay-Ville : 17 min
Massy-Palaiseau - Orsay-Ville : 11 min  

By car

Coming from Paris, two routes are possible:

From Paris "Pont de Sèvres"
Take the N118 direction A10 - A11 (Orléans, Bordeaux, Chartres, Nantes)
Exit at Orsay
Take the direction "centre universitaire"

or

From Paris "Porte d'Orléans" or "Porte d'Italie"
Take A6 (Lyon), then A10 (Orléans, Bordeaux, Massy, Palaiseau)
Leave the A10 at "Bures/Orsay" and take the Chevreuse/D188 exit at Orsay
Take the direction "centre universitaire"