| Bargoed to Somersworth (New Hampshire) | 3,096.35 mi (4,983.10 km) |
| Bargoed to Somerton (Arizona) | 5,292.72 mi (8,517.81 km) |
| Bargoed to Somerville (Massachusetts) | 3,140.19 mi (5,053.65 km) |
| Bargoed to Somerville (New Jersey) | 3,360.83 mi (5,408.73 km) |
| Bargoed to Sonoma (California) | 5,223.43 mi (8,406.30 km) |
| Bargoed to Soquel (California) | 5,281.84 mi (8,500.29 km) |
| Bargoed to South Bend (Indiana) | 3,779.02 mi (6,081.74 km) |
| Bargoed to South Bradenton (Florida) | 4,310.16 mi (6,936.53 km) |
| Bargoed to South Burlington (Vermont) | 3,142.80 mi (5,057.85 km) |
| Bargoed to South Charleston (West Virginia) | 3,749.93 mi (6,034.94 km) |
| Bargoed to South Daytona (Florida) | 4,158.79 mi (6,692.93 km) |
| Bargoed to South El Monte (California) | 5,324.75 mi (8,569.36 km) |
| Bargoed to South Elgin (Illinois) | 3,843.74 mi (6,185.90 km) |
| Bargoed to South Euclid (Ohio) | 3,599.07 mi (5,792.14 km) |
| Bargoed to South Farmingdale (New York) | 3,306.70 mi (5,321.62 km) |
