| Grudziadz to Montemor-o-Novo | 1,633.07 mi (2,628.17 km) |
| Grudziadz to Montemor-o-Velho | 1,574.47 mi (2,533.86 km) |
| Grudziadz to Montijo | 1,656.31 mi (2,665.57 km) |
| Grudziadz to Mortagua | 1,544.67 mi (2,485.90 km) |
| Grudziadz to Moura | 1,632.16 mi (2,626.71 km) |
| Grudziadz to Murtosa | 1,545.17 mi (2,486.71 km) |
| Grudziadz to Nazare | 1,616.59 mi (2,601.66 km) |
| Grudziadz to Nelas | 1,526.32 mi (2,456.37 km) |
| Grudziadz to Obidos | 1,631.96 mi (2,626.39 km) |
| Grudziadz to Odemira | 1,703.19 mi (2,741.01 km) |
| Grudziadz to Odivelas | 1,661.18 mi (2,673.41 km) |
| Grudziadz to Oeiras | 1,671.62 mi (2,690.22 km) |
| Grudziadz to Olhao | 1,704.35 mi (2,742.89 km) |
| Grudziadz to Oliveira de Azemeis | 1,534.09 mi (2,468.88 km) |
| Grudziadz to Oliveira de Frades | 1,529.06 mi (2,460.79 km) |
