| Ostrow Mazowiecka to Lagoa | 2,475.88 mi (3,984.54 km) |
| Ostrow Mazowiecka to Lagos | 1,824.42 mi (2,936.13 km) |
| Ostrow Mazowiecka to Lamego | 1,600.96 mi (2,576.49 km) |
| Ostrow Mazowiecka to Leiria | 1,701.68 mi (2,738.59 km) |
| Ostrow Mazowiecka to Lisbon | 1,763.62 mi (2,838.27 km) |
| Ostrow Mazowiecka to Loule | 1,796.51 mi (2,891.20 km) |
| Ostrow Mazowiecka to Loures | 1,759.13 mi (2,831.05 km) |
| Ostrow Mazowiecka to Lourinha | 1,745.46 mi (2,809.04 km) |
| Ostrow Mazowiecka to Lousa | 1,663.15 mi (2,676.58 km) |
| Ostrow Mazowiecka to Lousada | 1,609.18 mi (2,589.73 km) |
| Ostrow Mazowiecka to Macedo de Cavaleiros | 1,547.76 mi (2,490.88 km) |
| Ostrow Mazowiecka to Mafamude | 1,631.87 mi (2,626.24 km) |
| Ostrow Mazowiecka to Mafra | 1,760.48 mi (2,833.22 km) |
| Ostrow Mazowiecka to Maia | 1,627.16 mi (2,618.66 km) |
| Ostrow Mazowiecka to Mangualde | 1,621.47 mi (2,609.50 km) |
