| Rank | Area (km2) | Answer | % Correct |
|---|---|---|---|
| 1 | 670.3 | Biwa | 100%
|
| 4 | 103.3 | Inawashiro | 71%
|
| 10 | 65.0 | Hamana | 57%
|
| 2 | 167.6 | Kasumigaura | 57%
|
| 6 | 79.3 | Kussharo | 57%
|
| 8 | 78.4 | Shikotsu | 57%
|
| 17 | 32.3 | Akkeshi | 43%
|
| 15 | 35.2 | Kitaura | 43%
|
| 20 | 19.2 | Mashū | 43%
|
| 13 | 58.4 | Notoro | 43%
|
| 11 | 62.2 | Ogawara | 43%
|
| 3 | 151.9 | Saroma | 43%
|
| 19 | 25.8 | Tazawa | 43%
|
| 12 | 61.0 | Towada | 43%
|
| 9 | 70.7 | Tōya | 43%
|
| 16 | 32.3 | Abashiri | 29%
|
| 14 | 57.5 | Fūren | 29%
|
| 18 | 27.7 | Hachirō | 29%
|
| 5 | 86.2 | Nakaumi | 29%
|
| 7 | 79.1 | Shinji | 29%
|