| Llantrisant to Ridgeland (Mississippi) | 4,373.20 mi (7,037.99 km) |
| Llantrisant to Ridgewood (New Jersey) | 3,320.15 mi (5,343.27 km) |
| Llantrisant to Rifle (Colorado) | 4,678.70 mi (7,529.64 km) |
| Llantrisant to Rincon (Georgia) | 4,012.02 mi (6,456.73 km) |
| Llantrisant to Ringwood (New Jersey) | 3,321.55 mi (5,345.52 km) |
| Llantrisant to Río Grande (Puerto Rico) | 4,054.65 mi (6,525.33 km) |
| Llantrisant to Rio Grande City (Texas) | 5,032.69 mi (8,099.32 km) |
| Llantrisant to Rio Linda (California) | 5,172.81 mi (8,324.83 km) |
| Llantrisant to Rio Rancho (New Mexico) | 4,864.52 mi (7,828.68 km) |
| Llantrisant to Rio Rico (Arizona) | 5,223.70 mi (8,406.74 km) |
| Llantrisant to Ripon (California) | 5,216.98 mi (8,395.92 km) |
| Llantrisant to River Edge (New Jersey) | 3,319.45 mi (5,342.13 km) |
| Llantrisant to River Falls (Wisconsin) | 3,874.27 mi (6,235.03 km) |
| Llantrisant to River Forest (Illinois) | 3,828.34 mi (6,161.12 km) |
| Llantrisant to River Grove (Illinois) | 3,827.72 mi (6,160.13 km) |
