| Llantrisant to Sugar Hill (Georgia) | 4,041.97 mi (6,504.92 km) |
| Llantrisant to Sugar Land (Texas) | 4,737.67 mi (7,624.55 km) |
| Llantrisant to Sugarland Run (Virginia) | 3,539.20 mi (5,695.79 km) |
| Llantrisant to Sugarmill Woods (Florida) | 4,239.63 mi (6,823.03 km) |
| Llantrisant to Suisun City (California) | 5,215.26 mi (8,393.15 km) |
| Llantrisant to Suitland (Maryland) | 3,528.56 mi (5,678.67 km) |
| Llantrisant to Sulphur (Louisiana) | 4,613.43 mi (7,424.59 km) |
| Llantrisant to Sulphur Springs (Texas) | 4,555.61 mi (7,331.54 km) |
| Llantrisant to Summerfield (Maryland) | 3,523.86 mi (5,671.11 km) |
| Llantrisant to Summerfield (North Carolina) | 3,771.88 mi (6,070.25 km) |
| Llantrisant to Summerlin South (Nevada) | 5,120.46 mi (8,240.58 km) |
| Llantrisant to Summerville (South Carolina) | 3,933.93 mi (6,331.05 km) |
| Llantrisant to Summit (Illinois) | 3,833.05 mi (6,168.69 km) |
| Llantrisant to Summit (New Jersey) | 3,341.88 mi (5,378.23 km) |
| Llantrisant to Sumner (Washington) | 4,714.37 mi (7,587.05 km) |
