| Appenzell to Octeville | 530.18 mi (853.24 km) |
| Appenzell to Oignies | 363.18 mi (584.48 km) |
| Appenzell to Oissel | 406.51 mi (654.22 km) |
| Appenzell to Olivet | 351.95 mi (566.42 km) |
| Appenzell to Ollioules | 337.75 mi (543.55 km) |
| Appenzell to Olonne-sur-Mer | 530.31 mi (853.45 km) |
| Appenzell to Oloron-Sainte-Marie | 564.51 mi (908.48 km) |
| Appenzell to Onet Village | 386.92 mi (622.69 km) |
| Appenzell to Onnaing | 338.20 mi (544.28 km) |
| Appenzell to Orange | 313.09 mi (503.87 km) |
| Appenzell to Orchies | 354.34 mi (570.26 km) |
| Appenzell to Orleans | 351.72 mi (566.05 km) |
| Appenzell to Orly | 338.67 mi (545.03 km) |
| Appenzell to Ormesson-sur-Marne | 332.98 mi (535.87 km) |
| Appenzell to Orsay | 347.02 mi (558.47 km) |
