| Niksic to Montemor-o-Novo | 1,444.45 mi (2,324.62 km) |
| Niksic to Montemor-o-Velho | 1,435.39 mi (2,310.04 km) |
| Niksic to Montijo | 1,478.30 mi (2,379.09 km) |
| Niksic to Mortagua | 1,407.53 mi (2,265.20 km) |
| Niksic to Moura | 1,418.29 mi (2,282.51 km) |
| Niksic to Murtosa | 1,422.34 mi (2,289.04 km) |
| Niksic to Nazare | 1,466.29 mi (2,359.76 km) |
| Niksic to Nelas | 1,386.58 mi (2,231.48 km) |
| Niksic to Obidos | 1,476.08 mi (2,375.52 km) |
| Niksic to Odemira | 1,492.38 mi (2,401.75 km) |
| Niksic to Odivelas | 1,489.97 mi (2,397.88 km) |
| Niksic to Oeiras | 1,499.42 mi (2,413.09 km) |
| Niksic to Olhao | 1,467.63 mi (2,361.92 km) |
| Niksic to Oliveira de Azemeis | 1,412.46 mi (2,273.14 km) |
| Niksic to Oliveira de Frades | 1,399.86 mi (2,252.86 km) |
