| Watford to Security-Widefield (Colorado) | 4,712.74 mi (7,584.42 km) |
| Watford to Sedalia (Missouri) | 4,297.27 mi (6,915.79 km) |
| Watford to Sedro-Woolley (Washington) | 4,715.00 mi (7,588.07 km) |
| Watford to Seguin (Texas) | 4,944.89 mi (7,958.02 km) |
| Watford to Selden (New York) | 3,401.06 mi (5,473.47 km) |
| Watford to Selma (Alabama) | 4,365.49 mi (7,025.58 km) |
| Watford to Selma (California) | 5,323.71 mi (8,567.68 km) |
| Watford to Selma (Texas) | 4,958.46 mi (7,979.88 km) |
| Watford to Seminole (Florida) | 4,419.33 mi (7,112.22 km) |
| Watford to Seven Hills (Ohio) | 3,724.86 mi (5,994.58 km) |
| Watford to Seven Oaks (South Carolina) | 4,045.40 mi (6,510.45 km) |
| Watford to Severn (Maryland) | 3,626.31 mi (5,835.98 km) |
| Watford to Severna Park (Maryland) | 3,623.32 mi (5,831.17 km) |
| Watford to Sevierville (Tennessee) | 4,055.87 mi (6,527.29 km) |
| Watford to Seymour (Indiana) | 4,002.80 mi (6,441.89 km) |
