| Walnut Park to Montalegre | 5,594.91 mi (9,004.14 km) |
| Walnut Park to Montemor-o-Novo | 5,712.76 mi (9,193.80 km) |
| Walnut Park to Montemor-o-Velho | 5,628.61 mi (9,058.37 km) |
| Walnut Park to Montijo | 5,682.30 mi (9,144.78 km) |
| Walnut Park to Mortagua | 5,636.01 mi (9,070.28 km) |
| Walnut Park to Moura | 5,767.47 mi (9,281.85 km) |
| Walnut Park to Murtosa | 5,606.72 mi (9,023.14 km) |
| Walnut Park to Nazare | 5,636.48 mi (9,071.03 km) |
| Walnut Park to Nelas | 5,648.30 mi (9,090.06 km) |
| Walnut Park to Obidos | 5,642.83 mi (9,081.26 km) |
| Walnut Park to Odemira | 5,740.48 mi (9,238.40 km) |
| Walnut Park to Odivelas | 5,665.85 mi (9,118.31 km) |
| Walnut Park to Oeiras | 5,664.52 mi (9,116.17 km) |
| Walnut Park to Olhao | 5,798.52 mi (9,331.81 km) |
| Walnut Park to Oliveira de Azemeis | 5,608.74 mi (9,026.40 km) |
