| Oulu Sokali | India Standard Time | -02:30 |
| Oulu Willunga | Central Australia Time | -06:30 |
| Oulu Upper Coomera | Eastern Australia Time | -07:00 |
| Oulu Winchester | Eastern Time | 07:00 |
| Oulu Soběslav | Central European Time | 01:00 |
| Oulu Windcrest | Central Time | 08:00 |
| Oulu Upper Darby | Eastern Time | 07:00 |
| Oulu Windeck | Central European Time | 01:00 |
| Oulu Snoqualmie | Pacific Time | 10:00 |
| Oulu Winder | Eastern Time | 07:00 |
| Oulu Upper Ferntree Gully | Eastern Australia Time | -07:00 |
| Oulu Windham | Eastern Time | 07:00 |
| Oulu Setagaya | Japan Time | -06:00 |
| Oulu Zandhoven | Central European Time | 01:00 |
| Oulu Upland | Pacific Time | 10:00 |
| Oulu Williamstown | Eastern Time | 07:00 |
| Oulu Seseña Nuevo | Central European Time | 01:00 |
| Oulu Williamsville | Eastern Time | 07:00 |
| Oulu Uppala | India Standard Time | -02:30 |
| Oulu Willisau | Central European Time | 01:00 |
| Oulu Serranópolis | Brasilia Time | 06:00 |
| Oulu Williston Park | Eastern Time | 07:00 |
| Oulu Urbino | Central European Time | 01:00 |
| Oulu Willits | Pacific Time | 10:00 |
| Oulu Serdang | Malaysia Time | -05:00 |
| Oulu Williams | Mountain Time | 10:00 |
| Oulu Urakawa | Japan Time | -06:00 |
| Oulu Williamsburg | Eastern Time | 07:00 |
| Oulu Sequim | Pacific Time | 10:00 |
| Oulu Williamstown | Eastern Australia Time | -07:00 |
| Oulu Uran Islampur | India Standard Time | -02:30 |
| Oulu Willaston | United Kingdom Time | 02:00 |
| Oulu Seri Gading | Malaysia Time | -05:00 |
| Oulu Wilkesboro | Eastern Time | 07:00 |
| Oulu Urmar Tanda | India Standard Time | -02:30 |
| Oulu Wildwood | Eastern Time | 07:00 |
| Oulu Seri Kembangan | Malaysia Time | -05:00 |
| Oulu Wilkau-Haßlau | Central European Time | 01:00 |
| Oulu Urizar | Central European Time | 01:00 |
| Oulu Wiesbaden | Central European Time | 01:00 |
| Oulu Seri Manjung | Malaysia Time | -05:00 |
| Oulu Wieselburg | Central European Time | 01:00 |
| Oulu Ursel | Central European Time | 01:00 |
| Oulu Zermatt | Central European Time | 01:00 |
| Oulu Yorktown Heights | Eastern Time | 07:00 |
| Oulu Zeven | Central European Time | 01:00 |
| Oulu Zürs | Central European Time | 01:00 |
| Oulu Zero Branco | Central European Time | 01:00 |
| Oulu Yoshinogari | Japan Time | -06:00 |
| Oulu Zephyr | Eastern Time | 07:00 |