| Oslo Lipa | Philippine Time | -06:00 |
| Oslo Vera | Central European Time | 00:00 |
| Oslo Clifton Hill | Eastern Australia Time | -08:00 |
| Oslo Veresegyház | Central European Time | 00:00 |
| Oslo Linthicum Heights | Eastern Time | 06:00 |
| Oslo Vermillion | Central Time | 07:00 |
| Oslo Carovigno | Central European Time | 00:00 |
| Oslo Yunquera de Henares | Central European Time | 00:00 |
| Oslo Buena | Eastern Time | 06:00 |
| Oslo Yuo | West Africa Time | 01:00 |
| Oslo Bude | United Kingdom Time | 01:00 |
| Oslo Yvoir | Central European Time | 00:00 |
| Oslo Carpinteria | Pacific Time | 09:00 |
| Oslo Zahara de los Atunes | Central European Time | 00:00 |
| Oslo Carrouge | Central European Time | 00:00 |
| Oslo Zachary | Central Time | 07:00 |
| Oslo Carvoeiro | Western European Time | 01:00 |
| Oslo Yzeure | Central European Time | 00:00 |
| Oslo Caselle Torinese | Central European Time | 00:00 |
| Oslo White City | Pacific Time | 09:00 |
| Oslo Casale Marittimo | Central European Time | 00:00 |
| Oslo White Hall | Central Time | 07:00 |
| Oslo Casaletto Ceredano | Central European Time | 00:00 |
| Oslo White Lake charter Township | Eastern Time | 06:00 |
| Oslo Whitby | United Kingdom Time | 01:00 |
| Oslo Whitby | Eastern Time | 06:00 |
| Oslo Whitchurch | United Kingdom Time | 01:00 |
| Oslo Wheaton-Glenmont | Eastern Time | 06:00 |
| Oslo Wexford | Ireland Time | 01:00 |
| Oslo Wexford | Eastern Time | 06:00 |
| Oslo Whalley | United Kingdom Time | 01:00 |
| Oslo Whanganui | New Zealand Time | -10:00 |
| Oslo Wheatley | Central Time | 07:00 |
| Oslo Whitefish | Mountain Time | 08:00 |
| Oslo Whiteman Air Force Base | Central Time | 07:00 |
| Oslo Whitesboro | Eastern Time | 06:00 |
| Oslo Whiteville | Eastern Time | 06:00 |
| Oslo Whitewater | Central Time | 07:00 |