| Merthyr Tudful to Sumter (South Carolina) | 3,894.75 mi (6,267.99 km) |
| Merthyr Tudful to Sun City (Arizona) | 5,145.65 mi (8,281.12 km) |
| Merthyr Tudful to Sun City Center (Florida) | 4,281.48 mi (6,890.38 km) |
| Merthyr Tudful to Sun City West (Arizona) | 5,145.38 mi (8,280.69 km) |
| Merthyr Tudful to Sun Lakes (Arizona) | 5,153.07 mi (8,293.06 km) |
| Merthyr Tudful to Sun Prairie (Wisconsin) | 3,817.54 mi (6,143.73 km) |
| Merthyr Tudful to Sun Valley (Nevada) | 5,059.63 mi (8,142.69 km) |
| Merthyr Tudful to Sun Village (California) | 5,286.04 mi (8,507.06 km) |
| Merthyr Tudful to Sunland Park (New Mexico) | 5,038.23 mi (8,108.24 km) |
| Merthyr Tudful to Sunny Isles Beach (Florida) | 4,276.37 mi (6,882.16 km) |
| Merthyr Tudful to Sunnyside (Washington) | 4,691.64 mi (7,550.47 km) |
| Merthyr Tudful to Sunnyvale (California) | 5,255.33 mi (8,457.63 km) |
| Merthyr Tudful to Sunrise (Florida) | 4,272.90 mi (6,876.57 km) |
| Merthyr Tudful to Sunrise Manor (Nevada) | 5,099.19 mi (8,206.35 km) |
| Merthyr Tudful to Sunset (Florida) | 4,297.81 mi (6,916.66 km) |
