| Sozopol to Montemor-o-Novo | 1,889.69 mi (3,041.16 km) |
| Sozopol to Montemor-o-Velho | 1,880.72 mi (3,026.73 km) |
| Sozopol to Montijo | 1,923.66 mi (3,095.84 km) |
| Sozopol to Mortagua | 1,852.76 mi (2,981.73 km) |
| Sozopol to Moura | 1,862.82 mi (2,997.93 km) |
| Sozopol to Murtosa | 1,867.25 mi (3,005.04 km) |
| Sozopol to Nazare | 1,911.80 mi (3,076.75 km) |
| Sozopol to Nelas | 1,831.81 mi (2,948.01 km) |
| Sozopol to Obidos | 1,921.62 mi (3,092.55 km) |
| Sozopol to Odemira | 1,936.69 mi (3,116.79 km) |
| Sozopol to Odivelas | 1,935.42 mi (3,114.75 km) |
| Sozopol to Oeiras | 1,944.84 mi (3,129.92 km) |
| Sozopol to Olhao | 1,910.66 mi (3,074.91 km) |
| Sozopol to Oliveira de Azemeis | 1,857.29 mi (2,989.02 km) |
| Sozopol to Oliveira de Frades | 1,844.87 mi (2,969.03 km) |
