Cross (Burt Lancaster) gets a gun wrapped in a newspaper and walks away – Avenue Kléber at Rue de Belloy, Paris, France.
Cross and his protégé Jean Laurier’s (Alain Delon) safe house – 39 Rue Jean-Baptiste-Pigalle, Paris, France.
Sarah's (Joanne Linville) house in DC – 4641 Garfield Street NW, Washington, DC.
The CIA stakeout – 4636 Hawthorne Lane NW, Washington, DC.
Cross driving out – W. Glebe Road at Russell Road, Alexandria, Virginia.
Cross going into a Safeway store – 221 W. Glebe Road, Alexandria, Virginia. It’s no longer a Safeway but the building still stands.
The car chase in a narrow passage – 1006 F Street NW, Washington, DC.
The Greyhound bus terminal – 1100 New York Avenue NW, Washington, DC. An office building was erected on the spot of the former bus depot but they preserved the art deco facade at the north entrance.
Laurier aka "Scorpio" visiting his girlfriend Susan (Gayle Hunnicutt) – Still searching for this location
Cross calling Sarah – Still searching for this location
Laurier embarrasses the CIA agent who's been following him – Watergate Hotel, 2650 Virginia Avenue NW, Washington, DC. The hotel is currently undergoing an extensive renovation.
The CIA Headquarters – Langley, Virginia. Burt Lancaster used his influence with Democratic Senator John V. Tunney to obtain permission to film at the real headquarters. CIA director Richard Helms approved the clearance of Winner and his crew, for whom he issued CIA identity badges that looked almost like the real thing.
Laurier on a date with Susan – Georgetown University, Washington, DC
The CIA detains Zemetkin (Vladek Sheybal) – Dulles International Airport, Dulles, Virginia
Laurier walking with Susan – Lincoln Memorial, Lincoln Memorial Circle SW, Washington, DC
Cross arrives in Vienna – Schreyvogelgasse, Vienna, Austria. This is an obvious nod to The Third Man since he's standing almost on the same spot where Holly Martins was looking for Harry Lime.
Cross getting into a car – Schreyvogelgasse 8, Vienna, Austria. They pass in front of the doorway where Harry Lime made his famous appearance in The Third Man. As the car drives away, they turn into Mölker Steig.
Cross is waiting for his next ride, and then a pickup truck appears – Domgasse at Blutgasse, Vienna, Austria. Many thanks to Lois for finding this location.
The pickup truck takes Cross to Zharkov’s (Paul Scofield) safehouse – Sankt-Ulrichs-Platz, Vienna, Austria.
Zharkov's safehouse – Sankt-Ulrichs-Platz 4, Vienna, Austria.
The hotel where Laurier is staying – König von Ungarn, Schulerstraße 10, Vienna, Austria.
Cross meeting with Max (Shmuel Rodensky) – Papagenogasse 4, Vienna, Austria. They're standing at the back of the Hotel Beethoven, and the distinct yellow building at the end of the street the Theater an der Wien.
The Soviet embassy – Jaurèsgasse 1, Vienna, Austria. The church across the street is the Russian Orthodox Cathedral of St. Nicholas. The real Russian embassy is located to the left of the cathedral.
Cross meeting with Max in a cafe – Café Landtmann, Universitätsring 4, Vienna, Austria.
Laurier waiting in a car for an Austrian agent – Dr.-Ignaz-Seipel-Platz, Vienna, Austria.
Laurier tries to trap Cross in a greenhouse – Palmenhaus, Schönbrunn, Vienna, Austria.
The American embassy – Strudlhofgasse 19, Vienna, Austria. The real American embassy is located just around the corner at Boltzmanngasse 16.
Zharkov feeding pigeons – Graben, Vienna, Austria. The monument in front of him is the Pestsäule (Plague Column), erected to commemorate the end of the Great Plague epidemic in 1679.
Zharkov traps an agent in an elevator – Praterstraße 1-7, Vienna, Austria. The building has since been demolished.
Max's apartment – Raimundhof, Vienna, Austria. The door he enters is now a café, and the yard has been transformed into a shopping passage.
Cross running away from his pursuers – Friedrichstraße at Niebelungengasse, Vienna, Austria.
Cross entering the northwest corner of Karlsplatz, and a shootout ensues on the construction site of the Karlsplatz U-bahn station. Due to some misunderstanding, the chase and shootout went beyond the designated area, resulting in real cars honking and real pedestrians screaming at the actors. The scene ended up being more realistic than intended.
Karlsplatz with the Karlskirche in the background.
Zharkov on a park bench – Volksgarten looking southeast, Vienna, Austria.
Zharkov leaving the park – Volksgarten, Vienna, Austria
Zharkov getting in a car – Volksgarten looking at Heldenplatz, Vienna, Austria
Zharkov forces a CIA agent to ride with him – Schloßallee looking at the Schönbrunn Palace, Vienna, Austria
Zharkov walking to his boat – Handelskai by Reichsbrücke, Vienna, Austria
Sarah's funeral in DC – Rock Creek Cemetery, 201 Allison Street NW, Washington, DC
Zharkov sets up his boss – Franz-Josefs-Bahnhof, Julius-Tandler-Platz, Vienna, Austria. The current terminal was built in 1978.
Laurier gets a cat from a shelter – Still searching for this location
Cross meeting with Miff Wilson – Still searching for this location
Miff gets off the car – O Street looking at Wisconsin Avenue NW, Washington, DC
Miff waiting for McLeod (John Colicos) – 3218 O Street NW, Washington, DC
Miff jumps on McLeod's car – 3219 O Street NW, Washington, DC
Cross walking away after killing McLeod – 3224 O Street NW, Washington, DC
Laurier watching the surveillance footage showing Sarah coming out of the Library of Congress, 10 First Street SE, Washington, DC
Laurier watching Susan getting into her car – Healy Hall, Georgetown University, Washington, DC
The parking garage – Still searching for this location