| Northeim to Montemor-o-Novo | 1,258.56 mi (2,025.45 km) |
| Northeim to Montemor-o-Velho | 1,194.42 mi (1,922.23 km) |
| Northeim to Montijo | 1,279.83 mi (2,059.69 km) |
| Northeim to Mortagua | 1,164.87 mi (1,874.67 km) |
| Northeim to Moura | 1,261.76 mi (2,030.61 km) |
| Northeim to Murtosa | 1,163.78 mi (1,872.92 km) |
| Northeim to Nazare | 1,237.20 mi (1,991.09 km) |
| Northeim to Nelas | 1,147.14 mi (1,846.14 km) |
| Northeim to Obidos | 1,253.01 mi (2,016.52 km) |
| Northeim to Odemira | 1,330.77 mi (2,141.67 km) |
| Northeim to Odivelas | 1,283.70 mi (2,065.92 km) |
| Northeim to Oeiras | 1,294.11 mi (2,082.67 km) |
| Northeim to Olhao | 1,336.40 mi (2,150.73 km) |
| Northeim to Oliveira de Azemeis | 1,152.74 mi (1,855.15 km) |
| Northeim to Oliveira de Frades | 1,148.61 mi (1,848.50 km) |
