| Cwmbran to Scottsboro (Alabama) | 4,109.89 mi (6,614.23 km) |
| Cwmbran to Scottsdale (Arizona) | 5,143.26 mi (8,277.28 km) |
| Cwmbran to Scranton (Pennsylvania) | 3,377.95 mi (5,436.29 km) |
| Cwmbran to Seabrook (Maryland) | 3,532.19 mi (5,684.50 km) |
| Cwmbran to Seabrook (Texas) | 4,725.53 mi (7,605.00 km) |
| Cwmbran to Seaford (New York) | 3,320.40 mi (5,343.66 km) |
| Cwmbran to Seagoville (Texas) | 4,627.93 mi (7,447.94 km) |
| Cwmbran to Seal Beach (California) | 5,351.04 mi (8,611.66 km) |
| Cwmbran to Searcy (Arkansas) | 4,308.65 mi (6,934.11 km) |
| Cwmbran to Seaside (California) | 5,307.92 mi (8,542.27 km) |
| Cwmbran to SeaTac (Washington) | 4,707.30 mi (7,575.66 km) |
| Cwmbran to Seattle (Washington) | 4,698.08 mi (7,560.83 km) |
| Cwmbran to Sebastian (Florida) | 4,215.07 mi (6,783.49 km) |
| Cwmbran to Sebring (Florida) | 4,271.39 mi (6,874.13 km) |
| Cwmbran to Secaucus (New Jersey) | 3,339.17 mi (5,373.87 km) |
