| Arth to Lagoa | 1,104.10 mi (1,776.88 km) |
| Arth to Lagoa | 1,837.75 mi (2,957.57 km) |
| Arth to Lagos | 1,114.44 mi (1,793.52 km) |
| Arth to Lamego | 906.97 mi (1,459.63 km) |
| Arth to Leiria | 1,002.54 mi (1,613.43 km) |
| Arth to Lisbon | 1,060.34 mi (1,706.45 km) |
| Arth to Loule | 1,085.48 mi (1,746.92 km) |
| Arth to Loures | 1,056.40 mi (1,700.12 km) |
| Arth to Lourinha | 1,045.20 mi (1,682.08 km) |
| Arth to Lousa | 964.13 mi (1,551.62 km) |
| Arth to Lousada | 918.68 mi (1,478.47 km) |
| Arth to Macedo de Cavaleiros | 853.56 mi (1,373.67 km) |
| Arth to Mafamude | 941.46 mi (1,515.14 km) |
| Arth to Mafra | 1,058.81 mi (1,704.00 km) |
| Arth to Maia | 937.79 mi (1,509.23 km) |
