| Arco to Lagoa | 1,941.29 mi (3,124.21 km) |
| Arco to Lagos | 1,176.23 mi (1,892.95 km) |
| Arco to Lamego | 991.26 mi (1,595.28 km) |
| Arco to Leiria | 1,080.84 mi (1,739.44 km) |
| Arco to Lisbon | 1,133.42 mi (1,824.06 km) |
| Arco to Loule | 1,144.86 mi (1,842.48 km) |
| Arco to Loures | 1,130.19 mi (1,818.87 km) |
| Arco to Lourinha | 1,121.86 mi (1,805.46 km) |
| Arco to Lousa | 1,043.03 mi (1,678.60 km) |
| Arco to Lousada | 1,005.56 mi (1,618.29 km) |
| Arco to Macedo de Cavaleiros | 938.48 mi (1,510.33 km) |
| Arco to Mafamude | 1,028.09 mi (1,654.55 km) |
| Arco to Mafra | 1,133.80 mi (1,824.68 km) |
| Arco to Maia | 1,025.24 mi (1,649.96 km) |
| Arco to Mangualde | 1,004.42 mi (1,616.45 km) |
