| Appenzell to Opwijk | 344.74 mi (554.80 km) |
| Appenzell to Ostend | 397.34 mi (639.46 km) |
| Appenzell to Oud-Heverlee | 323.42 mi (520.49 km) |
| Appenzell to Oud-Turnhout | 339.88 mi (546.98 km) |
| Appenzell to Oudenaarde | 358.00 mi (576.14 km) |
| Appenzell to Oudenburg | 392.78 mi (632.12 km) |
| Appenzell to Oupeye | 289.08 mi (465.22 km) |
| Appenzell to Overijse | 324.99 mi (523.02 km) |
| Appenzell to Overpelt | 323.17 mi (520.09 km) |
| Appenzell to Paal | 319.72 mi (514.54 km) |
| Appenzell to Peer | 317.52 mi (511.00 km) |
| Appenzell to Pepinster | 276.68 mi (445.28 km) |
| Appenzell to Peruwelz | 344.07 mi (553.73 km) |
| Appenzell to Perwez | 308.50 mi (496.49 km) |
| Appenzell to Philippeville | 297.13 mi (478.19 km) |
