| Watford to Roeselare | 159.73 mi (257.06 km) |
| Watford to Ronse | 183.91 mi (295.97 km) |
| Watford to Rotselaar | 225.83 mi (363.44 km) |
| Watford to Rumst | 211.27 mi (340.00 km) |
| Watford to Saint-Ghislain | 200.97 mi (323.43 km) |
| Watford to Saint-Nicolas | 266.44 mi (428.79 km) |
| Watford to Saint-Vith | 299.35 mi (481.76 km) |
| Watford to Scherpenheuvel | 235.94 mi (379.71 km) |
| Watford to Schilde | 215.64 mi (347.03 km) |
| Watford to Schoten | 212.60 mi (342.15 km) |
| Watford to Seneffe | 215.93 mi (347.51 km) |
| Watford to Seraing | 266.12 mi (428.27 km) |
| Watford to Sint-Amandsberg | 183.58 mi (295.44 km) |
| Watford to Sint-Andries | 157.34 mi (253.21 km) |
| Watford to Sint-Genesius-Rode | 214.67 mi (345.48 km) |
