| Cwmbran to Somersworth (New Hampshire) | 3,106.07 mi (4,998.74 km) |
| Cwmbran to Somerton (Arizona) | 5,301.79 mi (8,532.41 km) |
| Cwmbran to Somerville (Massachusetts) | 3,149.91 mi (5,069.30 km) |
| Cwmbran to Somerville (New Jersey) | 3,370.55 mi (5,424.38 km) |
| Cwmbran to Sonoma (California) | 5,231.87 mi (8,419.88 km) |
| Cwmbran to Soquel (California) | 5,290.36 mi (8,514.02 km) |
| Cwmbran to South Bend (Indiana) | 3,788.61 mi (6,097.18 km) |
| Cwmbran to South Bradenton (Florida) | 4,319.85 mi (6,952.12 km) |
| Cwmbran to South Burlington (Vermont) | 3,152.49 mi (5,073.45 km) |
| Cwmbran to South Charleston (West Virginia) | 3,759.64 mi (6,050.56 km) |
| Cwmbran to South Daytona (Florida) | 4,168.49 mi (6,708.53 km) |
| Cwmbran to South El Monte (California) | 5,333.61 mi (8,583.62 km) |
| Cwmbran to South Elgin (Illinois) | 3,853.28 mi (6,201.26 km) |
| Cwmbran to South Euclid (Ohio) | 3,608.73 mi (5,807.69 km) |
| Cwmbran to South Farmingdale (New York) | 3,316.42 mi (5,337.27 km) |
