| Stamboliyski to Opwijk | 1,137.67 mi (1,830.90 km) |
| Stamboliyski to Ostend | 1,195.06 mi (1,923.27 km) |
| Stamboliyski to Oud-Heverlee | 1,114.68 mi (1,793.90 km) |
| Stamboliyski to Oud-Turnhout | 1,116.93 mi (1,797.52 km) |
| Stamboliyski to Oudenaarde | 1,157.65 mi (1,863.05 km) |
| Stamboliyski to Oudenburg | 1,190.70 mi (1,916.24 km) |
| Stamboliyski to Oupeye | 1,072.46 mi (1,725.96 km) |
| Stamboliyski to Overijse | 1,118.53 mi (1,800.09 km) |
| Stamboliyski to Overpelt | 1,097.10 mi (1,765.62 km) |
| Stamboliyski to Paal | 1,100.98 mi (1,771.86 km) |
| Stamboliyski to Peer | 1,093.02 mi (1,759.05 km) |
| Stamboliyski to Pepinster | 1,061.32 mi (1,708.04 km) |
| Stamboliyski to Peruwelz | 1,149.44 mi (1,849.85 km) |
| Stamboliyski to Perwez | 1,102.75 mi (1,774.70 km) |
| Stamboliyski to Philippeville | 1,101.71 mi (1,773.02 km) |
