| Llantrisant to Livermore (California) | 5,239.60 mi (8,432.33 km) |
| Llantrisant to Livingston (California) | 5,224.43 mi (8,407.91 km) |
| Llantrisant to Livonia (Michigan) | 3,632.38 mi (5,845.75 km) |
| Llantrisant to Lochearn (Maryland) | 3,498.70 mi (5,630.61 km) |
| Llantrisant to Lockhart (Florida) | 4,199.74 mi (6,758.83 km) |
| Llantrisant to Lockhart (Texas) | 4,804.62 mi (7,732.29 km) |
| Llantrisant to Lockport (Illinois) | 3,850.36 mi (6,196.56 km) |
| Llantrisant to Lockport (New York) | 3,413.65 mi (5,493.73 km) |
| Llantrisant to Lodi (California) | 5,200.40 mi (8,369.23 km) |
| Llantrisant to Lodi (New Jersey) | 3,323.27 mi (5,348.28 km) |
| Llantrisant to Logan (Utah) | 4,699.55 mi (7,563.20 km) |
| Llantrisant to Logansport (Indiana) | 3,823.49 mi (6,153.31 km) |
| Llantrisant to Loganville (Georgia) | 4,048.47 mi (6,515.38 km) |
| Llantrisant to Loma Linda (California) | 5,300.41 mi (8,530.18 km) |
| Llantrisant to Lombard (Illinois) | 3,836.88 mi (6,174.87 km) |
