| Sozopol to Opwijk | 1,253.71 mi (2,017.64 km) |
| Sozopol to Ostend | 1,311.39 mi (2,110.49 km) |
| Sozopol to Oud-Heverlee | 1,230.79 mi (1,980.76 km) |
| Sozopol to Oud-Turnhout | 1,229.40 mi (1,978.52 km) |
| Sozopol to Oudenaarde | 1,275.29 mi (2,052.37 km) |
| Sozopol to Oudenburg | 1,307.17 mi (2,103.69 km) |
| Sozopol to Oupeye | 1,187.71 mi (1,911.44 km) |
| Sozopol to Overijse | 1,235.16 mi (1,987.80 km) |
| Sozopol to Overpelt | 1,209.43 mi (1,946.39 km) |
| Sozopol to Paal | 1,214.91 mi (1,955.20 km) |
| Sozopol to Peer | 1,205.83 mi (1,940.60 km) |
| Sozopol to Pepinster | 1,177.20 mi (1,894.51 km) |
| Sozopol to Peruwelz | 1,269.13 mi (2,042.47 km) |
| Sozopol to Perwez | 1,219.94 mi (1,963.31 km) |
| Sozopol to Philippeville | 1,221.98 mi (1,966.59 km) |
