| Llantwit Major to Lemay (Missouri) | 4,081.04 mi (6,567.80 km) |
| Llantwit Major to Lemon Grove (California) | 5,369.12 mi (8,640.77 km) |
| Llantwit Major to Lemon Hill (California) | 5,186.45 mi (8,346.79 km) |
| Llantwit Major to Lemont (Illinois) | 3,845.19 mi (6,188.24 km) |
| Llantwit Major to Lemoore (California) | 5,260.11 mi (8,465.34 km) |
| Llantwit Major to Lenexa (Kansas) | 4,235.42 mi (6,816.25 km) |
| Llantwit Major to Lennox (California) | 5,345.99 mi (8,603.54 km) |
| Llantwit Major to Lenoir (North Carolina) | 3,850.92 mi (6,197.46 km) |
| Llantwit Major to Leominster (Massachusetts) | 3,158.42 mi (5,082.98 km) |
| Llantwit Major to Leon Valley (Texas) | 4,861.10 mi (7,823.18 km) |
| Llantwit Major to Levelland (Texas) | 4,794.38 mi (7,715.81 km) |
| Llantwit Major to Levittown (New York) | 3,304.80 mi (5,318.56 km) |
| Llantwit Major to Levittown (Pennsylvania) | 3,384.62 mi (5,447.01 km) |
| Llantwit Major to Lewisburg (Tennessee) | 4,088.31 mi (6,579.50 km) |
| Llantwit Major to Lewiston (Idaho) | 4,614.06 mi (7,425.61 km) |
