| Pontypridd to Storm Lake (Iowa) | 4,071.46 mi (6,552.38 km) |
| Pontypridd to Storrs (Connecticut) | 3,209.02 mi (5,164.43 km) |
| Pontypridd to Stoughton (Wisconsin) | 3,834.70 mi (6,171.35 km) |
| Pontypridd to Stow (Ohio) | 3,608.98 mi (5,808.09 km) |
| Pontypridd to Streamwood (Illinois) | 3,835.89 mi (6,173.28 km) |
| Pontypridd to Streator (Illinois) | 3,902.25 mi (6,280.07 km) |
| Pontypridd to Streetsboro (Ohio) | 3,602.64 mi (5,797.90 km) |
| Pontypridd to Strongsville (Ohio) | 3,618.81 mi (5,823.90 km) |
| Pontypridd to Stuart (Florida) | 4,221.17 mi (6,793.32 km) |
| Pontypridd to Stuarts Draft (Virginia) | 3,652.98 mi (5,878.90 km) |
| Pontypridd to Sturgis (Michigan) | 3,738.82 mi (6,017.05 km) |
| Pontypridd to Suamico (Wisconsin) | 3,714.02 mi (5,977.14 km) |
| Pontypridd to Sudley (Virginia) | 3,555.11 mi (5,721.40 km) |
| Pontypridd to Suffern (New York) | 3,315.95 mi (5,336.50 km) |
| Pontypridd to Suffolk (Virginia) | 3,613.97 mi (5,816.13 km) |
