| Cwmbran to Lagoa | 1,037.67 mi (1,669.97 km) |
| Cwmbran to Lagoa | 1,455.62 mi (2,342.60 km) |
| Cwmbran to Lagos | 1,042.55 mi (1,677.82 km) |
| Cwmbran to Lamego | 763.56 mi (1,228.84 km) |
| Cwmbran to Leiria | 867.72 mi (1,396.46 km) |
| Cwmbran to Lisbon | 940.92 mi (1,514.27 km) |
| Cwmbran to Loule | 1,031.14 mi (1,659.47 km) |
| Cwmbran to Loures | 934.02 mi (1,503.16 km) |
| Cwmbran to Lourinha | 909.66 mi (1,463.96 km) |
| Cwmbran to Lousa | 835.50 mi (1,344.61 km) |
| Cwmbran to Lousada | 756.71 mi (1,217.80 km) |
| Cwmbran to Macedo de Cavaleiros | 723.14 mi (1,163.78 km) |
| Cwmbran to Mafamude | 774.61 mi (1,246.62 km) |
| Cwmbran to Mafra | 929.45 mi (1,495.81 km) |
| Cwmbran to Maia | 767.07 mi (1,234.49 km) |
