| Llanelli to Robertsville (New Jersey) | 3,319.83 mi (5,342.75 km) |
| Llanelli to Robinson (Texas) | 4,666.36 mi (7,509.78 km) |
| Llanelli to Robstown (Texas) | 4,877.35 mi (7,849.33 km) |
| Llanelli to Rochester (Michigan) | 3,574.80 mi (5,753.08 km) |
| Llanelli to Rochester (Minnesota) | 3,873.52 mi (6,233.82 km) |
| Llanelli to Rochester (New Hampshire) | 3,060.63 mi (4,925.61 km) |
| Llanelli to Rochester (New York) | 3,335.44 mi (5,367.87 km) |
| Llanelli to Rochester Hills (Michigan) | 3,577.20 mi (5,756.95 km) |
| Llanelli to Rock Hill (South Carolina) | 3,841.90 mi (6,182.94 km) |
| Llanelli to Rock Island (Illinois) | 3,919.61 mi (6,308.00 km) |
| Llanelli to Rock Springs (Wyoming) | 4,587.55 mi (7,382.96 km) |
| Llanelli to Rockford (Illinois) | 3,824.99 mi (6,155.73 km) |
| Llanelli to Rockledge (Florida) | 4,150.39 mi (6,679.40 km) |
| Llanelli to Rocklin (California) | 5,128.98 mi (8,254.30 km) |
| Llanelli to Rockport (Texas) | 4,841.15 mi (7,791.08 km) |
