| Pernik to Opwijk | 1,058.07 mi (1,702.80 km) |
| Pernik to Ostend | 1,115.33 mi (1,794.95 km) |
| Pernik to Oud-Heverlee | 1,035.10 mi (1,665.83 km) |
| Pernik to Oud-Turnhout | 1,038.20 mi (1,670.82 km) |
| Pernik to Oudenaarde | 1,077.67 mi (1,734.34 km) |
| Pernik to Oudenburg | 1,110.94 mi (1,787.88 km) |
| Pernik to Oupeye | 993.14 mi (1,598.31 km) |
| Pernik to Overijse | 1,038.82 mi (1,671.82 km) |
| Pernik to Overpelt | 1,018.44 mi (1,639.03 km) |
| Pernik to Paal | 1,021.93 mi (1,644.63 km) |
| Pernik to Peer | 1,014.25 mi (1,632.28 km) |
| Pernik to Pepinster | 981.87 mi (1,580.17 km) |
| Pernik to Peruwelz | 1,069.04 mi (1,720.46 km) |
| Pernik to Perwez | 1,022.93 mi (1,646.25 km) |
| Pernik to Philippeville | 1,021.24 mi (1,643.52 km) |
