| Holyhead to Roeselare | 367.06 mi (590.73 km) |
| Holyhead to Ronse | 391.79 mi (630.53 km) |
| Holyhead to Rotselaar | 428.08 mi (688.93 km) |
| Holyhead to Rumst | 412.60 mi (664.02 km) |
| Holyhead to Saint-Ghislain | 410.62 mi (660.82 km) |
| Holyhead to Saint-Nicolas | 470.03 mi (756.44 km) |
| Holyhead to Saint-Vith | 504.67 mi (812.18 km) |
| Holyhead to Scherpenheuvel | 436.61 mi (702.65 km) |
| Holyhead to Schilde | 414.20 mi (666.58 km) |
| Holyhead to Schoten | 411.09 mi (661.59 km) |
| Holyhead to Seneffe | 423.94 mi (682.26 km) |
| Holyhead to Seraing | 470.32 mi (756.91 km) |
| Holyhead to Sint-Amandsberg | 387.49 mi (623.60 km) |
| Holyhead to Sint-Andries | 361.04 mi (581.03 km) |
| Holyhead to Sint-Genesius-Rode | 420.45 mi (676.65 km) |
