| Herne to Montemor-o-Novo | 1,161.73 mi (1,869.62 km) |
| Herne to Montemor-o-Velho | 1,092.68 mi (1,758.50 km) |
| Herne to Montijo | 1,181.22 mi (1,900.99 km) |
| Herne to Mortagua | 1,063.48 mi (1,711.51 km) |
| Herne to Moura | 1,168.26 mi (1,880.14 km) |
| Herne to Murtosa | 1,060.72 mi (1,707.06 km) |
| Herne to Nazare | 1,136.00 mi (1,828.21 km) |
| Herne to Nelas | 1,046.45 mi (1,684.10 km) |
| Herne to Obidos | 1,152.18 mi (1,854.25 km) |
| Herne to Odemira | 1,235.40 mi (1,988.19 km) |
| Herne to Odivelas | 1,184.18 mi (1,905.75 km) |
| Herne to Oeiras | 1,194.51 mi (1,922.38 km) |
| Herne to Olhao | 1,244.44 mi (2,002.73 km) |
| Herne to Oliveira de Azemeis | 1,049.75 mi (1,689.41 km) |
| Herne to Oliveira de Frades | 1,046.60 mi (1,684.34 km) |
