| Burgas to Opwijk | 1,240.73 mi (1,996.76 km) |
| Burgas to Ostend | 1,298.42 mi (2,089.60 km) |
| Burgas to Oud-Heverlee | 1,217.81 mi (1,959.87 km) |
| Burgas to Oud-Turnhout | 1,216.49 mi (1,957.75 km) |
| Burgas to Oudenaarde | 1,262.28 mi (2,031.45 km) |
| Burgas to Oudenburg | 1,294.19 mi (2,082.80 km) |
| Burgas to Oupeye | 1,174.75 mi (1,890.57 km) |
| Burgas to Overijse | 1,222.18 mi (1,966.90 km) |
| Burgas to Overpelt | 1,196.52 mi (1,925.61 km) |
| Burgas to Paal | 1,201.97 mi (1,934.38 km) |
| Burgas to Peer | 1,192.91 mi (1,919.80 km) |
| Burgas to Pepinster | 1,164.22 mi (1,873.63 km) |
| Burgas to Peruwelz | 1,256.10 mi (2,021.50 km) |
| Burgas to Perwez | 1,206.95 mi (1,942.39 km) |
| Burgas to Philippeville | 1,208.94 mi (1,945.60 km) |
