| Merchtem to Lagoa | 1,715.25 mi (2,760.42 km) |
| Merchtem to Lagos | 1,148.94 mi (1,849.04 km) |
| Merchtem to Lamego | 891.21 mi (1,434.27 km) |
| Merchtem to Leiria | 997.45 mi (1,605.25 km) |
| Merchtem to Lisbon | 1,066.64 mi (1,716.60 km) |
| Merchtem to Loule | 1,128.18 mi (1,815.62 km) |
| Merchtem to Loures | 1,060.90 mi (1,707.36 km) |
| Merchtem to Lourinha | 1,041.98 mi (1,676.90 km) |
| Merchtem to Lousa | 960.19 mi (1,545.28 km) |
| Merchtem to Lousada | 893.56 mi (1,438.04 km) |
| Merchtem to Macedo de Cavaleiros | 840.90 mi (1,353.29 km) |
| Merchtem to Mafamude | 915.20 mi (1,472.87 km) |
| Merchtem to Mafra | 1,059.64 mi (1,705.32 km) |
| Merchtem to Maia | 909.17 mi (1,463.16 km) |
| Merchtem to Mangualde | 917.70 mi (1,476.90 km) |
