| Llantrisant to Roy (Utah) | 4,736.69 mi (7,622.97 km) |
| Llantrisant to Royal Kunia (Hawaii) | 7,167.77 mi (11,535.41 km) |
| Llantrisant to Royal Oak (Michigan) | 3,618.86 mi (5,823.99 km) |
| Llantrisant to Royal Palm Beach (Florida) | 4,244.09 mi (6,830.20 km) |
| Llantrisant to Royse City (Texas) | 4,591.76 mi (7,389.72 km) |
| Llantrisant to Ruskin (Florida) | 4,287.19 mi (6,899.57 km) |
| Llantrisant to Russellville (Alabama) | 4,172.86 mi (6,715.57 km) |
| Llantrisant to Russellville (Arkansas) | 4,351.36 mi (7,002.84 km) |
| Llantrisant to Ruston (Louisiana) | 4,468.06 mi (7,190.64 km) |
| Llantrisant to Rutherford (New Jersey) | 3,326.74 mi (5,353.86 km) |
| Llantrisant to Rutland (Vermont) | 3,165.09 mi (5,093.72 km) |
| Llantrisant to Sabana Grande (Puerto Rico) | 4,117.95 mi (6,627.20 km) |
| Llantrisant to Sachse (Texas) | 4,602.22 mi (7,406.55 km) |
| Llantrisant to Saco (Maine) | 3,065.10 mi (4,932.80 km) |
| Llantrisant to Sacramento (California) | 5,180.44 mi (8,337.12 km) |
