| Oplotnica to Montalegre | 1,190.39 mi (1,915.74 km) |
| Oplotnica to Montemor-o-Novo | 1,311.70 mi (2,110.98 km) |
| Oplotnica to Montemor-o-Velho | 1,281.54 mi (2,062.43 km) |
| Oplotnica to Montijo | 1,341.95 mi (2,159.66 km) |
| Oplotnica to Mortagua | 1,252.02 mi (2,014.92 km) |
| Oplotnica to Moura | 1,295.91 mi (2,085.56 km) |
| Oplotnica to Murtosa | 1,261.53 mi (2,030.23 km) |
| Oplotnica to Nazare | 1,317.96 mi (2,121.06 km) |
| Oplotnica to Nelas | 1,231.45 mi (1,981.83 km) |
| Oplotnica to Obidos | 1,330.35 mi (2,140.99 km) |
| Oplotnica to Odemira | 1,370.69 mi (2,205.92 km) |
| Oplotnica to Odivelas | 1,351.06 mi (2,174.32 km) |
| Oplotnica to Oeiras | 1,361.19 mi (2,190.62 km) |
| Oplotnica to Olhao | 1,356.98 mi (2,183.85 km) |
| Oplotnica to Oliveira de Azemeis | 1,250.85 mi (2,013.06 km) |
