Aéroport Paris-Charles-de-Gaulle terminal 2E le 19 avril 2017 - 2
The two closest hotels to Terminal 2 are both located in the terminal. The first is the YOTELAIR Paris CDG – Transit hotel. As the name suggests, this hotel is specifically for passengers of international flights. One has to go through passport control in order to reach this hotel. The guests are only allowed to take hand luggage with them and can only stay for one night.

Paris-Charles de Gaulle Airport - hôtel
The other hotel in terminal 2 is the Sheraton Paris Roissy Airport ✰✰✰✰, which is located just above the station for Paris’ suburban RER trains. It’s housed in the boat-shaped building in the picture below.
Vue 2B 2D
Other hotels near Terminal 2 which are located within 3.3 km or 2 miles of the terminal:

Novotel Charles de Gaulle Airport ✰✰✰✰ 0.9 km (.55 miles): Charles de Gaulle is served by its own system of underground trains, and this hotel is served by it. The hotel also offers its own airport shuttle.

ibis Styles Paris Charles de Gaulle Airport ✰✰✰ 1 km (.62 miles): Airport shuttle.

Pullman Paris Roissy Cdg Airport ✰✰✰✰ 1 km (.62 miles)

ibis Paris CDG Airport ✰✰✰ 1.1 km (7/10 of a mile)

citizenM Paris Charles de Gaulle Airport ✰✰✰✰ 1.2 km (¾ of a mile)

Hilton Paris Charles de Gaulle Airport ✰✰✰✰ 1.3 km (4/5 of a mile): This hotel is a 1 minute walk away from the airport’s own underground trains and the hotel also runs its own airport shuttle.

Mercure Paris CDG Airport & Convention ✰✰✰✰ 1.6 km (1 mile): Airport shuttle.

Holiday Inn Express – Paris – CDG Airport 1.8 km (1.12 miles)

Nomad Paris Roissy CDG ✰✰✰ 1.9 km (1.2 miles): Airport shuttle.

Premiere Classe Roissy – Aeroport CDG – Le Mesnil – Amelot ✰✰ 1.9 km (1.2 miles): Airport shuttle.

Campanile Roissy – Aeroport CDG – Le Mesnil Amelot ✰✰✰ 2 km (1.24 miles): Airport shuttle.

Oceania Paris Roissy CDG ✰✰✰✰ 2 km (1.24 miles): Airport shuttle.

Comfort Hotel CDG Airport ✰✰✰ 2.3 km (1.4 miles): Airport shuttle.

Auberge du Chateau Bleu ✰✰✰ 2.8 km (1.7 miles)

Courtyard by Marriott Paris Roissy Charles de Gaulle Airport ✰✰✰✰ 2.9 km (1.8 miles): Airport shuttle.

Chambre d’hotes Les Herbes Folles ✰✰✰ 3.3 km (2 miles): Airport shuttle.