| Risca to South Plainfield (New Jersey) | 3,360.37 mi (5,407.99 km) |
| Risca to South Portland (Maine) | 3,064.65 mi (4,932.08 km) |
| Risca to South Riding (Virginia) | 3,560.48 mi (5,730.04 km) |
| Risca to South River (New Jersey) | 3,364.40 mi (5,414.48 km) |
| Risca to South Salt Lake (Utah) | 4,763.14 mi (7,665.53 km) |
| Risca to South San Francisco (California) | 5,267.22 mi (8,476.78 km) |
| Risca to South San Jose Hills (California) | 5,330.60 mi (8,578.78 km) |
| Risca to South Sioux City (Nebraska) | 4,133.73 mi (6,652.60 km) |
| Risca to South St. Paul (Minnesota) | 3,896.29 mi (6,270.47 km) |
| Risca to South Valley (New Mexico) | 4,886.50 mi (7,864.07 km) |
| Risca to South Venice (Florida) | 4,331.32 mi (6,970.59 km) |
| Risca to South Whittier (California) | 5,339.24 mi (8,592.68 km) |
| Risca to South Yarmouth (Massachusetts) | 3,140.31 mi (5,053.84 km) |
| Risca to Southaven (Mississippi) | 4,251.53 mi (6,842.17 km) |
| Risca to Southchase (Florida) | 4,221.31 mi (6,793.55 km) |
