| Sankt Gallen to Mouscron | 360.14 mi (579.58 km) |
| Sankt Gallen to Namur | 293.10 mi (471.69 km) |
| Sankt Gallen to Neder-Over-Heembeek | 329.18 mi (529.76 km) |
| Sankt Gallen to Neerpelt | 317.23 mi (510.54 km) |
| Sankt Gallen to Nevele | 361.96 mi (582.51 km) |
| Sankt Gallen to Niel | 341.40 mi (549.44 km) |
| Sankt Gallen to Nieuwpoort | 392.39 mi (631.49 km) |
| Sankt Gallen to Nijlen | 334.69 mi (538.63 km) |
| Sankt Gallen to Ninove | 337.59 mi (543.30 km) |
| Sankt Gallen to Nivelles | 316.28 mi (509.01 km) |
| Sankt Gallen to Olen | 328.17 mi (528.13 km) |
| Sankt Gallen to Oostakker | 358.07 mi (576.26 km) |
| Sankt Gallen to Oosterzele | 350.01 mi (563.28 km) |
| Sankt Gallen to Oostkamp | 377.76 mi (607.94 km) |
| Sankt Gallen to Opglabbeek | 303.15 mi (487.87 km) |
