| Hint | Answer | % Correct |
|---|---|---|
| The capital city of Norway. | Oslo | 100%
|
| Site of England's oldest university. | Oxford | 100%
|
| Austria's name, in German. | Österreich | 74%
|
| The smallest of Japan's 5 main islands; its largest city is Naha. | Okinawa | 64%
|
| The Donner Party died on this trail, named for a territory (and eventual state). | Oregon | 64%
|
| A city in Egypt's Giza Governorate is named for this month; the Yom Kippur war started in this month. | October | 56%
|
| Southern Mexican state whose name is derived from the Nahuatl 'Huaxyacac'. | Oaxaca | 38%
|
| The strait separating Denmark from Sweden. | Øresund | 38%
|
| The 2nd-largest lake in Europe, & the 18th-largest worldwide. | Onega | 21%
|
| Mainland France's southernmost administrative region. | Occitania | 18%
|
| Ethiopia shares its capital, Addis Ababa, with its largest regional state, which is: | Oromia | 15%
|
| Indian state known in antiquity as Kalinga. | Odisha | 10%
|
| A city and voivodeship in southern Poland. | Opole | 5%
|
| A city and province in northeastern Türkiye. | Ordu | 0%
|
| A city and province in central Algeria; served as a commercial link across the Sahara Desert. | Ouargla | 0%
|