| Nisko to Montemor-o-Novo | 1,687.25 mi (2,715.37 km) |
| Nisko to Montemor-o-Velho | 1,643.11 mi (2,644.33 km) |
| Nisko to Montijo | 1,714.53 mi (2,759.27 km) |
| Nisko to Mortagua | 1,613.10 mi (2,596.04 km) |
| Nisko to Moura | 1,678.03 mi (2,700.53 km) |
| Nisko to Murtosa | 1,618.19 mi (2,604.22 km) |
| Nisko to Nazare | 1,682.76 mi (2,708.14 km) |
| Nisko to Nelas | 1,593.39 mi (2,564.31 km) |
| Nisko to Obidos | 1,696.73 mi (2,730.62 km) |
| Nisko to Odemira | 1,751.82 mi (2,819.28 km) |
| Nisko to Odivelas | 1,721.73 mi (2,770.86 km) |
| Nisko to Oeiras | 1,732.11 mi (2,787.56 km) |
| Nisko to Olhao | 1,744.42 mi (2,807.38 km) |
| Nisko to Oliveira de Azemeis | 1,607.18 mi (2,586.50 km) |
| Nisko to Oliveira de Frades | 1,599.59 mi (2,574.29 km) |
