| Tonypandy to Smyrna (Delaware) | 3,450.04 mi (5,552.30 km) |
| Tonypandy to Smyrna (Georgia) | 4,067.98 mi (6,546.78 km) |
| Tonypandy to Smyrna (Tennessee) | 4,048.82 mi (6,515.94 km) |
| Tonypandy to Snellville (Georgia) | 4,047.22 mi (6,513.37 km) |
| Tonypandy to Snoqualmie (Washington) | 4,679.87 mi (7,531.52 km) |
| Tonypandy to Snyder (Texas) | 4,778.14 mi (7,689.68 km) |
| Tonypandy to Socastee (South Carolina) | 3,847.86 mi (6,192.54 km) |
| Tonypandy to Socorro (Texas) | 5,036.93 mi (8,106.16 km) |
| Tonypandy to Soddy-Daisy (Tennessee) | 4,027.97 mi (6,482.39 km) |
| Tonypandy to Solana Beach (California) | 5,353.63 mi (8,615.83 km) |
| Tonypandy to Soledad (California) | 5,291.34 mi (8,515.60 km) |
| Tonypandy to Solon (Ohio) | 3,595.06 mi (5,785.70 km) |
| Tonypandy to Somers Point (New Jersey) | 3,407.59 mi (5,483.99 km) |
| Tonypandy to Somerset (Kentucky) | 3,918.60 mi (6,306.37 km) |
| Tonypandy to Somerset (New Jersey) | 3,351.64 mi (5,393.95 km) |
