Phnom Penh [US Embassy] -- Cambodia

Phoenix Islands -- Kiribati

Pines, Isle of (Isla de la Juventud) -- Cuba

Pleasant Island -- Nauru

Plymouth -- Montserrat

Ponape (Pohnpei) -- Micronesia

Ponta Delgada [US Consulate] -- Portugal

Port-au-Prince [US Embassy] -- Haiti

Port Louis [US Embassy] -- Mauritius

Port Moresby [US Embassy] -- Papua New Guinea

Porto Alegre [US Consulate] -- Brazil

Port-of-Spain [US Embassy] -- Trinidad and Tobago

Porto-Novo -- Benin

Portuguese Guinea -- Guinea-Bissau

Portuguese Timor (East Timor) -- Indonesia

Port-Vila -- Vanuatu

Poznan [US Consulate General] -- Poland

Prague [US Embassy] -- Czech Republic

Praia [US Embassy] -- Cape Verde

Pretoria [US Embassy] -- South Africa

Pribilof Islands -- United States

Prince Edward Island -- Canada

Prince Edward Islands -- South Africa

Prince Patrick Island -- Canada

Principe -- Sao Tome and Principe

Pusan [US Consulate] -- Korea, South

P'yongyang -- Korea, North

Q

Quebec [US Consulate General] -- Canada

Queen Charlotte Islands -- Canada

Queen Elizabeth Islands -- Canada

Queen Maud Land [claimed by Norway] -- Antarctica

Quito [US Embassy] -- Ecuador

R

Rabat [US Embassy] -- Morocco

Ralik Chain -- Marshall Islands

Rangoon [US Embassy] -- Burma

Ratak Chain -- Marshall Islands

Recife [US Consulate] -- Brazil

Redonda -- Antigua and Barbuda

Red Sea -- Indian Ocean

Revillagigedo Island -- United States

Revillagigedo Islands -- Mexico

Reykjavik [US Embassy] -- Iceland

Rhodes -- Greece

Rhodesia -- Zimbabwe

Rhodesia, Northern -- Zambia

Rhodesia, Southern -- Zimbabwe

Riga [US Embassy] -- Latvia

Rio de Janeiro [US Consulate -- Brazil General]

Rio de Oro -- Western Sahara

Rio Muni -- Equatorial Guinea

Riyadh [US Embassy] -- Saudi Arabia

Road Town -- British Virgin Islands

Robinson Crusoe Island (Mas -- Chile a Tierra)

Rocas, Atol das -- Brazil

Rockall [disputed] -- United Kingdom

Rodrigues -- Mauritius

Rome [US Embassy, US Mission to the UN Agencies for Food and
Agriculture (FODAG)] -- Italy

Roncador Cay -- Colombia

Roosevelt Island -