| Watford to Somersworth (New Hampshire) | 3,213.02 mi (5,170.85 km) |
| Watford to Somerton (Arizona) | 5,391.14 mi (8,676.20 km) |
| Watford to Somerville (Massachusetts) | 3,257.36 mi (5,242.21 km) |
| Watford to Somerville (New Jersey) | 3,477.86 mi (5,597.08 km) |
| Watford to Sonoma (California) | 5,309.90 mi (8,545.46 km) |
| Watford to Soquel (California) | 5,369.91 mi (8,642.03 km) |
| Watford to South Bend (Indiana) | 3,889.99 mi (6,260.34 km) |
| Watford to South Bradenton (Florida) | 4,430.16 mi (7,129.65 km) |
| Watford to South Burlington (Vermont) | 3,257.65 mi (5,242.68 km) |
| Watford to South Charleston (West Virginia) | 3,865.47 mi (6,220.88 km) |
| Watford to South Daytona (Florida) | 4,278.72 mi (6,885.93 km) |
| Watford to South El Monte (California) | 5,419.01 mi (8,721.05 km) |
| Watford to South Elgin (Illinois) | 3,953.35 mi (6,362.31 km) |
| Watford to South Euclid (Ohio) | 3,712.53 mi (5,974.75 km) |
| Watford to South Farmingdale (New York) | 3,424.07 mi (5,510.50 km) |
