Here is a detailed map of RER A to RER E lines in and around Paris and its surrounding suburbs. Unlike the Paris metro system which covers only 2 Zones, the Paris RER trains cover 5 Zones all around Ile-de-France, the province which contains Paris.

The Paris Regional RER train system connects major tourist destinations and ports of entry to the heart of Paris, near St. Michel – Notre Dame.

Popular RER Routes

• Roissy-Charles de Gaulle (CDG) Airport Terminals 1 & 2 to Paris – RER B (Blue)
• Paris-Orly (ORY) Airport to Paris – RER B (Blue) / Orly Val
• Paris to Versailles – RER C (Yellow)
• Paris to Chateau de Vincennes – RER A (Red)
• Paris to La Défense – RER A (Red)
• Paris to Gare du Nord (for Eurostar to London) – RER B (Blue) or RER D (Green)
• Paris to Galleries Lafayette – RER A (Red)

Download Paris RER Map (PDF) (courtesy of RATP)