| Watford to Sanary-sur-Mer | 656.61 mi (1,056.71 km) |
| Watford to Sannois | 219.21 mi (352.78 km) |
| Watford to Saran | 275.25 mi (442.98 km) |
| Watford to Sarcelles | 220.79 mi (355.32 km) |
| Watford to Sarlat-la-Caneda | 473.23 mi (761.59 km) |
| Watford to Sarrebourg | 386.10 mi (621.37 km) |
| Watford to Sarreguemines | 372.73 mi (599.84 km) |
| Watford to Sartrouville | 219.13 mi (352.65 km) |
| Watford to Sarzeau | 304.34 mi (489.78 km) |
| Watford to Sassenage | 524.76 mi (844.53 km) |
| Watford to Saumur | 304.00 mi (489.24 km) |
| Watford to Savenay | 304.66 mi (490.31 km) |
| Watford to Saverne | 397.50 mi (639.72 km) |
| Watford to Savigny-le-Temple | 249.82 mi (402.05 km) |
| Watford to Savigny-sur-Orge | 238.67 mi (384.10 km) |
