| Llanelli to Romeoville (Illinois) | 3,816.46 mi (6,142.00 km) |
| Llanelli to Romulus (Michigan) | 3,604.79 mi (5,801.35 km) |
| Llanelli to Ronkonkoma (New York) | 3,251.74 mi (5,233.17 km) |
| Llanelli to Roosevelt (New York) | 3,275.97 mi (5,272.17 km) |
| Llanelli to Rosamond (California) | 5,254.08 mi (8,455.63 km) |
| Llanelli to Rosaryville (Maryland) | 3,493.04 mi (5,621.50 km) |
| Llanelli to Roscoe (Illinois) | 3,815.29 mi (6,140.11 km) |
| Llanelli to Rose Hill (Virginia) | 3,503.78 mi (5,638.79 km) |
| Llanelli to Roseburg (Oregon) | 4,941.46 mi (7,952.52 km) |
| Llanelli to Rosedale (California) | 5,257.20 mi (8,460.64 km) |
| Llanelli to Rosedale (Maryland) | 3,455.19 mi (5,560.59 km) |
| Llanelli to Roselle (Illinois) | 3,800.02 mi (6,115.55 km) |
| Llanelli to Roselle (New Jersey) | 3,305.03 mi (5,318.93 km) |
| Llanelli to Roselle Park (New Jersey) | 3,304.77 mi (5,318.51 km) |
| Llanelli to Rosemead (California) | 5,294.39 mi (8,520.50 km) |
