| Llantwit Major to Roy (Utah) | 4,739.42 mi (7,627.36 km) |
| Llantwit Major to Royal Kunia (Hawaii) | 7,174.56 mi (11,546.33 km) |
| Llantwit Major to Royal Oak (Michigan) | 3,618.69 mi (5,823.71 km) |
| Llantwit Major to Royal Palm Beach (Florida) | 4,241.11 mi (6,825.41 km) |
| Llantwit Major to Royse City (Texas) | 4,591.63 mi (7,389.52 km) |
| Llantwit Major to Ruskin (Florida) | 4,284.63 mi (6,895.44 km) |
| Llantwit Major to Russellville (Alabama) | 4,171.92 mi (6,714.06 km) |
| Llantwit Major to Russellville (Arkansas) | 4,351.17 mi (7,002.54 km) |
| Llantwit Major to Ruston (Louisiana) | 4,467.43 mi (7,189.63 km) |
| Llantwit Major to Rutherford (New Jersey) | 3,325.27 mi (5,351.51 km) |
| Llantwit Major to Rutland (Vermont) | 3,164.05 mi (5,092.05 km) |
| Llantwit Major to Sabana Grande (Puerto Rico) | 4,112.20 mi (6,617.95 km) |
| Llantwit Major to Sachse (Texas) | 4,602.12 mi (7,406.40 km) |
| Llantwit Major to Saco (Maine) | 3,063.78 mi (4,930.68 km) |
| Llantwit Major to Sacramento (California) | 5,183.93 mi (8,342.73 km) |
