| Gretz-Armainvilliers to Lagoa | 1,601.73 mi (2,577.73 km) |
| Gretz-Armainvilliers to Lagos | 987.46 mi (1,589.17 km) |
| Gretz-Armainvilliers to Lamego | 736.77 mi (1,185.72 km) |
| Gretz-Armainvilliers to Leiria | 841.86 mi (1,354.84 km) |
| Gretz-Armainvilliers to Lisbon | 909.37 mi (1,463.49 km) |
| Gretz-Armainvilliers to Loule | 965.45 mi (1,553.75 km) |
| Gretz-Armainvilliers to Loures | 903.93 mi (1,454.73 km) |
| Gretz-Armainvilliers to Lourinha | 886.39 mi (1,426.51 km) |
| Gretz-Armainvilliers to Lousa | 804.00 mi (1,293.91 km) |
| Gretz-Armainvilliers to Lousada | 741.30 mi (1,193.01 km) |
| Gretz-Armainvilliers to Macedo de Cavaleiros | 685.15 mi (1,102.65 km) |
| Gretz-Armainvilliers to Mafamude | 763.49 mi (1,228.71 km) |
| Gretz-Armainvilliers to Mafra | 903.38 mi (1,453.84 km) |
| Gretz-Armainvilliers to Maia | 757.96 mi (1,219.82 km) |
| Gretz-Armainvilliers to Mangualde | 761.50 mi (1,225.51 km) |
