| Watford to Southwater | 43.65 mi (70.25 km) |
| Watford to Southwick | 229.36 mi (369.13 km) |
| Watford to Southwick | 56.99 mi (91.72 km) |
| Watford to Sowerby Bridge | 155.50 mi (250.26 km) |
| Watford to Spalding | 78.80 mi (126.82 km) |
| Watford to Spennymoor | 216.12 mi (347.80 km) |
| Watford to Spitalfields | 16.76 mi (26.98 km) |
| Watford to Spondon | 97.18 mi (156.40 km) |
| Watford to Stafford | 107.89 mi (173.63 km) |
| Watford to Staines-upon-Thames | 16.05 mi (25.84 km) |
| Watford to Stalybridge | 143.96 mi (231.68 km) |
| Watford to Stamford | 69.26 mi (111.47 km) |
| Watford to Standish | 163.85 mi (263.69 km) |
| Watford to Stanford le Hope | 36.53 mi (58.79 km) |
| Watford to Stanley | 149.31 mi (240.30 km) |
