Here are a few suggestions for your next trip from Ris-Orangis

In 2 hours, you can reach Paris, Saint-Denis, Vigneux sur Seine, Villeneuve St George, Villeneuve Triage, Montgeron Crosne, Grigny Centre, Orangis Bois de l'Ep, Evry Courcouronnes, Le Bras de Fer...

In 10+ hours, you can reach Melun, Coudray Montceaux, Ponthierry Pringy, Plessis Chenet IBM F, Villabe, St Fargeau, Essonnes Robinson, Vosves, Boissise le Roi.