| Caernarfon to Roeselare | 348.67 mi (561.13 km) |
| Caernarfon to Ronse | 373.38 mi (600.90 km) |
| Caernarfon to Rotselaar | 410.16 mi (660.09 km) |
| Caernarfon to Rumst | 394.72 mi (635.24 km) |
| Caernarfon to Saint-Ghislain | 392.06 mi (630.96 km) |
| Caernarfon to Saint-Nicolas | 452.05 mi (727.51 km) |
| Caernarfon to Saint-Vith | 486.57 mi (783.06 km) |
| Caernarfon to Scherpenheuvel | 418.81 mi (674.01 km) |
| Caernarfon to Schilde | 396.52 mi (638.13 km) |
| Caernarfon to Schoten | 393.41 mi (633.13 km) |
| Caernarfon to Seneffe | 405.54 mi (652.66 km) |
| Caernarfon to Seraing | 452.29 mi (727.89 km) |
| Caernarfon to Sint-Amandsberg | 369.38 mi (594.46 km) |
| Caernarfon to Sint-Andries | 342.90 mi (551.84 km) |
| Caernarfon to Sint-Genesius-Rode | 402.24 mi (647.34 km) |
