| Cwmbran to Salisbury (New York) | 3,319.89 mi (5,342.85 km) |
| Cwmbran to Salisbury (North Carolina) | 3,833.60 mi (6,169.58 km) |
| Cwmbran to Salmon Creek (Washington) | 4,815.03 mi (7,749.04 km) |
| Cwmbran to Salt Lake City (Utah) | 4,760.66 mi (7,661.55 km) |
| Cwmbran to Sammamish (Washington) | 4,691.47 mi (7,550.19 km) |
| Cwmbran to San Angelo (Texas) | 4,842.25 mi (7,792.85 km) |
| Cwmbran to San Anselmo (California) | 5,252.88 mi (8,453.70 km) |
| Cwmbran to San Antonio (Texas) | 4,870.47 mi (7,838.26 km) |
| Cwmbran to San Benito (Texas) | 5,010.11 mi (8,063.00 km) |
| Cwmbran to San Bernardino (California) | 5,303.44 mi (8,535.06 km) |
| Cwmbran to San Bruno (California) | 5,269.14 mi (8,479.87 km) |
| Cwmbran to San Buenaventura (California) | 5,359.66 mi (8,625.54 km) |
| Cwmbran to San Carlos (California) | 5,271.47 mi (8,483.60 km) |
| Cwmbran to San Carlos Park (Florida) | 4,337.11 mi (6,979.91 km) |
| Cwmbran to San Clemente (California) | 5,352.90 mi (8,614.66 km) |
