| Plonsk to Montemor-o-Novo | 1,668.08 mi (2,684.51 km) |
| Plonsk to Montemor-o-Velho | 1,614.23 mi (2,597.85 km) |
| Plonsk to Montijo | 1,692.75 mi (2,724.22 km) |
| Plonsk to Mortagua | 1,584.28 mi (2,549.65 km) |
| Plonsk to Moura | 1,664.33 mi (2,678.47 km) |
| Plonsk to Murtosa | 1,586.33 mi (2,552.95 km) |
| Plonsk to Nazare | 1,655.63 mi (2,664.47 km) |
| Plonsk to Nelas | 1,565.41 mi (2,519.29 km) |
| Plonsk to Obidos | 1,670.56 mi (2,688.51 km) |
| Plonsk to Odemira | 1,736.48 mi (2,794.59 km) |
| Plonsk to Odivelas | 1,698.42 mi (2,733.35 km) |
| Plonsk to Oeiras | 1,708.87 mi (2,750.16 km) |
| Plonsk to Olhao | 1,734.71 mi (2,791.75 km) |
| Plonsk to Oliveira de Azemeis | 1,575.24 mi (2,535.10 km) |
| Plonsk to Oliveira de Frades | 1,569.33 mi (2,525.60 km) |
