| Rhondda to Livermore (California) | 5,234.74 mi (8,424.50 km) |
| Rhondda to Livingston (California) | 5,219.61 mi (8,400.15 km) |
| Rhondda to Livonia (Michigan) | 3,628.66 mi (5,839.76 km) |
| Rhondda to Lochearn (Maryland) | 3,495.49 mi (5,625.45 km) |
| Rhondda to Lockhart (Florida) | 4,197.04 mi (6,754.48 km) |
| Rhondda to Lockhart (Texas) | 4,800.97 mi (7,726.42 km) |
| Rhondda to Lockport (Illinois) | 3,846.51 mi (6,190.35 km) |
| Rhondda to Lockport (New York) | 3,410.07 mi (5,487.97 km) |
| Rhondda to Lodi (California) | 5,195.54 mi (8,361.41 km) |
| Rhondda to Lodi (New Jersey) | 3,320.07 mi (5,343.13 km) |
| Rhondda to Logan (Utah) | 4,694.86 mi (7,555.65 km) |
| Rhondda to Logansport (Indiana) | 3,819.75 mi (6,147.29 km) |
| Rhondda to Loganville (Georgia) | 4,045.29 mi (6,510.26 km) |
| Rhondda to Loma Linda (California) | 5,295.78 mi (8,522.74 km) |
| Rhondda to Lombard (Illinois) | 3,833.01 mi (6,168.64 km) |
