| Tonypandy to Security-Widefield (Colorado) | 4,606.12 mi (7,412.84 km) |
| Tonypandy to Sedalia (Missouri) | 4,181.85 mi (6,730.03 km) |
| Tonypandy to Sedro-Woolley (Washington) | 4,635.78 mi (7,460.56 km) |
| Tonypandy to Seguin (Texas) | 4,825.76 mi (7,766.31 km) |
| Tonypandy to Selden (New York) | 3,276.20 mi (5,272.53 km) |
| Tonypandy to Selma (Alabama) | 4,241.72 mi (6,826.40 km) |
| Tonypandy to Selma (California) | 5,229.38 mi (8,415.88 km) |
| Tonypandy to Selma (Texas) | 4,839.57 mi (7,788.53 km) |
| Tonypandy to Seminole (Florida) | 4,291.46 mi (6,906.44 km) |
| Tonypandy to Seven Hills (Ohio) | 3,604.66 mi (5,801.14 km) |
| Tonypandy to Seven Oaks (South Carolina) | 3,919.77 mi (6,308.26 km) |
| Tonypandy to Severn (Maryland) | 3,501.83 mi (5,635.66 km) |
| Tonypandy to Severna Park (Maryland) | 3,498.75 mi (5,630.70 km) |
| Tonypandy to Sevierville (Tennessee) | 3,932.50 mi (6,328.75 km) |
| Tonypandy to Seymour (Indiana) | 3,882.95 mi (6,249.01 km) |
