| Ciechanow to Lagoa | 2,423.78 mi (3,900.70 km) |
| Ciechanow to Lagos | 1,778.49 mi (2,862.21 km) |
| Ciechanow to Lamego | 1,552.55 mi (2,498.59 km) |
| Ciechanow to Leiria | 1,653.77 mi (2,661.48 km) |
| Ciechanow to Lisbon | 1,716.25 mi (2,762.04 km) |
| Ciechanow to Loule | 1,750.96 mi (2,817.90 km) |
| Ciechanow to Loures | 1,711.68 mi (2,754.68 km) |
| Ciechanow to Lourinha | 1,697.66 mi (2,732.11 km) |
| Ciechanow to Lousa | 1,615.25 mi (2,599.50 km) |
| Ciechanow to Lousada | 1,560.43 mi (2,511.27 km) |
| Ciechanow to Macedo de Cavaleiros | 1,499.44 mi (2,413.11 km) |
| Ciechanow to Mafamude | 1,583.08 mi (2,547.73 km) |
| Ciechanow to Mafra | 1,712.86 mi (2,756.59 km) |
| Ciechanow to Maia | 1,578.28 mi (2,540.00 km) |
| Ciechanow to Mangualde | 1,573.45 mi (2,532.23 km) |
