| Watford to Sheldon | 80.06 mi (128.84 km) |
| Watford to Shenfield | 30.70 mi (49.41 km) |
| Watford to Shenley Brook End | 29.67 mi (47.75 km) |
| Watford to Shenley Church End | 30.39 mi (48.91 km) |
| Watford to Shepperton | 18.52 mi (29.80 km) |
| Watford to Shepshed | 86.00 mi (138.41 km) |
| Watford to Shepton Mallet | 97.98 mi (157.69 km) |
| Watford to Sherborne | 103.88 mi (167.18 km) |
| Watford to Shevington | 163.71 mi (263.47 km) |
| Watford to Shildon | 212.01 mi (341.20 km) |
| Watford to Shipley | 161.19 mi (259.41 km) |
| Watford to Shirebrook | 112.57 mi (181.16 km) |
| Watford to Shiremoor | 238.07 mi (383.14 km) |
| Watford to Shirley | 23.94 mi (38.53 km) |
| Watford to Shoeburyness | 51.93 mi (83.58 km) |
