| Plonsk to Lagoa | 2,411.54 mi (3,881.01 km) |
| Plonsk to Lagos | 1,762.04 mi (2,835.72 km) |
| Plonsk to Lamego | 1,537.21 mi (2,473.90 km) |
| Plonsk to Leiria | 1,638.17 mi (2,636.39 km) |
| Plonsk to Lisbon | 1,700.39 mi (2,736.52 km) |
| Plonsk to Loule | 1,734.36 mi (2,791.19 km) |
| Plonsk to Loures | 1,695.86 mi (2,729.22 km) |
| Plonsk to Lourinha | 1,682.01 mi (2,706.93 km) |
| Plonsk to Lousa | 1,599.65 mi (2,574.38 km) |
| Plonsk to Lousada | 1,545.28 mi (2,486.89 km) |
| Plonsk to Macedo de Cavaleiros | 1,484.05 mi (2,388.35 km) |
| Plonsk to Mafamude | 1,567.96 mi (2,523.38 km) |
| Plonsk to Mafra | 1,697.12 mi (2,731.26 km) |
| Plonsk to Maia | 1,563.21 mi (2,515.74 km) |
| Plonsk to Mangualde | 1,557.91 mi (2,507.21 km) |
