| Rhyl to Scottsboro (Alabama) | 4,056.01 mi (6,527.52 km) |
| Rhyl to Scottsdale (Arizona) | 5,061.61 mi (8,145.87 km) |
| Rhyl to Scranton (Pennsylvania) | 3,325.21 mi (5,351.41 km) |
| Rhyl to Seabrook (Maryland) | 3,482.50 mi (5,604.55 km) |
| Rhyl to Seabrook (Texas) | 4,667.40 mi (7,511.46 km) |
| Rhyl to Seaford (New York) | 3,271.62 mi (5,265.17 km) |
| Rhyl to Seagoville (Texas) | 4,564.13 mi (7,345.26 km) |
| Rhyl to Seal Beach (California) | 5,263.25 mi (8,470.39 km) |
| Rhyl to Searcy (Arkansas) | 4,247.12 mi (6,835.08 km) |
| Rhyl to Seaside (California) | 5,214.64 mi (8,392.16 km) |
| Rhyl to SeaTac (Washington) | 4,606.42 mi (7,413.32 km) |
| Rhyl to Seattle (Washington) | 4,597.08 mi (7,398.28 km) |
| Rhyl to Sebastian (Florida) | 4,178.96 mi (6,725.39 km) |
| Rhyl to Sebring (Florida) | 4,234.35 mi (6,814.52 km) |
| Rhyl to Secaucus (New Jersey) | 3,289.49 mi (5,293.92 km) |
