The KGB safe house where Lt. Tom Farrell (Kevin Costner) is being questioned - it stood on the southeast corner of South Arlington Ridge Road and 20th Street South, Arlington, Virginia. It was later demolished and replaced with another house. The intersection is still recognizable.
Farrell meets Susan Atwell (Sean Young) at a party - Omni Shoreham Hotel, 2500 Calvert Street NW, Washington, DC
Tom and Susan’s limousine ride – Pennsylvania Avenue NW, Washington, DC
The Washington Monument, the National Mall, Washington, DC
The Lincoln Memorial, Lincoln Memorial Circle SW, Washington, DC
Defense Secretary Brice (Gene Hackman) and his General Counsel Scott Pritchard (Will Patton) meet over breakfast – P.O.V. Roof Terrace and Lounge, Hotel Washington, 515 15th Street NW, Washington DC
When they exit the building, it's actually the Hay-Adams Hotel, 800 16th NW, Washington DC
Tom’s apartment – 1503 30th Street NW, Washington, DC
Tom’s new assignment - The Pentagon, 1600 Defense Pentagon, Washington, DC (that's the official address though the Pentagon is actually located in Arlington County, Virginia.)
Pritchard has come to pick up Susan (it's also the house where she gets killed later) – 101 Quay Street, Alexandria, Virginia
Tom and Susan are going away for the weekend – George Washington Memorial Parkway, Washington DC
Tom and Susan stay at "Calvert Inn" - River Farm, 7931 E. Boulevard Drive, Alexandria, Virginia. It's home to the American Horticultural Society. Many thanks to Kara for pointing that out.
Tom rents a sailboat – Annapolis Sailing School, Back Creek, Annapolis, Maryland. Many thanks to Barry for his help.
Pritchard and Tom go to question Susan's friend Nina Beka (Iman) - 3016 Dumbarton Street NW, Washington, DC
Tom tries to escape Pritchard's henchmen – Whitehurst Freeway, Georgetown, Washington DC
Tom runs along the Chesapeake & Ohio Canal near the Wisconsin Avenue Bridge, Georgetown, Washington, DC
Tom enters "the Georgetown Metro Station" which is actually the Canal side entrance to Shops at Georgetown Park (now closed), 3222 M Street NW, Washington, DC. No filming took place inside the mall.
The subway interiors were filmed in the Baltimore Metro system.
Tom emerges from another (non-existent) Metro station and rushes to warn Nina – The Old Post Office Pavilion, 1100 Pennsylvania Avenue NW, Washington, DC
Tom sits by Susan's grave - Rock Creek Cemetery, Rock Creek Church Road NW, Washington, DC
See also...
 Absolute Power |  Murder at 1600 |
