| Perchtoldsdorf to Ostend | 633.22 mi (1,019.06 km) |
| Perchtoldsdorf to Oud-Heverlee | 552.86 mi (889.74 km) |
| Perchtoldsdorf to Oud-Turnhout | 549.68 mi (884.63 km) |
| Perchtoldsdorf to Oudenaarde | 598.23 mi (962.75 km) |
| Perchtoldsdorf to Oudenburg | 629.10 mi (1,012.44 km) |
| Perchtoldsdorf to Oupeye | 509.46 mi (819.90 km) |
| Perchtoldsdorf to Overijse | 557.59 mi (897.35 km) |
| Perchtoldsdorf to Overpelt | 529.71 mi (852.49 km) |
| Perchtoldsdorf to Paal | 535.80 mi (862.28 km) |
| Perchtoldsdorf to Peer | 526.28 mi (846.97 km) |
| Perchtoldsdorf to Pepinster | 499.44 mi (803.77 km) |
| Perchtoldsdorf to Peruwelz | 594.00 mi (955.95 km) |
| Perchtoldsdorf to Perwez | 542.91 mi (873.72 km) |
| Perchtoldsdorf to Philippeville | 547.99 mi (881.90 km) |
| Perchtoldsdorf to Plombieres | 497.12 mi (800.03 km) |
