| Portland Luanda | West Africa Time | -08:00 |
| Portland Quezon City | Philippine Time | -15:00 |
| Portland Addis Ababa | East Africa Time | -10:00 |
| Portland Nairobi | East Africa Time | -10:00 |
| Portland Chicago | Central Time | -02:00 |
| Portland Salvador | Brasilia Time | -04:00 |
| Portland Jaipur | India Standard Time | -12:30 |
| Portland Dar es Salaam | East Africa Time | -10:00 |
| Portland Lanzhou | China Time | -15:00 |
| Portland Incheon | Korean Time | -16:00 |
| Portland Yunfu | China Time | -15:00 |
| Portland Navi Mumbai | India Standard Time | -12:30 |
| Portland Toronto | Eastern Time | -03:00 |
| Portland Basrah | Arabian Time | -10:00 |
| Portland Osaka | Japan Time | -16:00 |
| Portland Mogadishu | East Africa Time | -10:00 |
| Portland Daegu | Korean Time | -16:00 |
| Portland Faisalabad | Pakistan Time | -12:00 |
| Portland Izmir | Turkey Time | -10:00 |
| Portland Dakar | Greenwich Mean Time | -07:00 |
| Portland Lucknow | India Standard Time | -12:30 |
| Portland Giza | Eastern European Time | -09:00 |
| Portland Fortaleza | Brasilia Time | -04:00 |
| Portland Cali | Colombia Time | -02:00 |
| Portland Surabaya | Western Indonesia Time | -14:00 |
| Portland Belo Horizonte | Brasilia Time | -04:00 |
| Portland Nanchang | China Time | -15:00 |
| Portland Rome | Central European Time | -09:00 |
| Portland Mashhad | Iran Time | -11:30 |
| Portland Borough of Brooklyn | Eastern Time | -03:00 |
| Portland Houston | Central Time | -02:00 |
| Portland Queens | Eastern Time | -03:00 |
| Portland Nagpur | India Standard Time | -12:30 |
| Portland Maracaibo | Venezuela Time | -03:00 |
| Portland Brasília | Brasilia Time | -04:00 |
| Portland Santo Domingo | Atlantic Time | -03:00 |
| Portland Nagoya | Japan Time | -16:00 |
| Portland Brisbane | Eastern Australia Time | -17:00 |
| Portland Havana | Cuba Time | -03:00 |
| Portland Paris | Central European Time | -09:00 |
| Portland Al Mawşil al Jadīdah | Arabian Time | -10:00 |
| Portland Johannesburg | South Africa Standard Time | -09:00 |
| Portland Kowloon | Hong Kong Time | -15:00 |
| Portland Al Başrah al Qadīmah | Arabian Time | -10:00 |
| Portland Almaty | East Kazakhstan Time | -13:00 |
| Portland Medellin | Colombia Time | -02:00 |
| Portland Tashkent | Uzbekistan Time | -12:00 |
| Portland Algiers | Central European Time | -08:00 |
| Portland Khartoum | Central Africa Time | -09:00 |
| Portland Accra | Greenwich Mean Time | -07:00 |