| Frauenfeld to Opwijk | 317.63 mi (511.17 km) |
| Frauenfeld to Ostend | 369.71 mi (595.00 km) |
| Frauenfeld to Oud-Heverlee | 296.55 mi (477.25 km) |
| Frauenfeld to Oud-Turnhout | 314.07 mi (505.45 km) |
| Frauenfeld to Oudenaarde | 330.36 mi (531.67 km) |
| Frauenfeld to Oudenburg | 365.15 mi (587.66 km) |
| Frauenfeld to Oupeye | 263.19 mi (423.57 km) |
| Frauenfeld to Overijse | 297.93 mi (479.47 km) |
| Frauenfeld to Overpelt | 297.80 mi (479.26 km) |
| Frauenfeld to Paal | 293.73 mi (472.71 km) |
| Frauenfeld to Peer | 292.07 mi (470.05 km) |
| Frauenfeld to Pepinster | 250.81 mi (403.65 km) |
| Frauenfeld to Peruwelz | 316.12 mi (508.75 km) |
| Frauenfeld to Perwez | 281.48 mi (453.00 km) |
| Frauenfeld to Philippeville | 269.36 mi (433.50 km) |
