| Ovidiu to Montalegre | 1,828.22 mi (2,942.24 km) |
| Ovidiu to Montemor-o-Novo | 1,926.62 mi (3,100.60 km) |
| Ovidiu to Montemor-o-Velho | 1,910.00 mi (3,073.85 km) |
| Ovidiu to Montijo | 1,959.49 mi (3,153.50 km) |
| Ovidiu to Mortagua | 1,881.31 mi (3,027.68 km) |
| Ovidiu to Moura | 1,903.21 mi (3,062.92 km) |
| Ovidiu to Murtosa | 1,893.88 mi (3,047.90 km) |
| Ovidiu to Nazare | 1,943.24 mi (3,127.34 km) |
| Ovidiu to Nelas | 1,860.42 mi (2,994.05 km) |
| Ovidiu to Obidos | 1,954.05 mi (3,144.73 km) |
| Ovidiu to Odemira | 1,977.76 mi (3,182.90 km) |
| Ovidiu to Odivelas | 1,970.38 mi (3,171.02 km) |
| Ovidiu to Oeiras | 1,980.10 mi (3,186.66 km) |
| Ovidiu to Olhao | 1,955.36 mi (3,146.85 km) |
| Ovidiu to Oliveira de Azemeis | 1,883.59 mi (3,031.34 km) |
