In Arlington (Green Valley) With a stay at Comfort Inn Pentagon City in Arlington (Green Valley), you'll be within a 10-minute drive of National Mall and United States Capitol. This hotel is 5.8 mi (9.4 km) from Smithsonian Institution and 6.1 mi (9.8 km) from White House. Make yourself at home in one of the 118 guestrooms featuring microwaves and LCD televisions. Complimentary wireless internet access keeps you connected, and satellite programming is available for your entertainment. Private bathrooms with shower/tub combinations feature complimentary toiletries and hair dryers. Conveniences include desks and coffee/tea makers, as well as phones with free local calls. A complimentary buffet breakfast is served daily from 6:00 AM to 9:00 AM.