| Bad Ischl to Ostend | 537.79 mi (865.49 km) |
| Bad Ischl to Oud-Heverlee | 457.37 mi (736.06 km) |
| Bad Ischl to Oud-Turnhout | 460.30 mi (740.78 km) |
| Bad Ischl to Oudenaarde | 500.60 mi (805.63 km) |
| Bad Ischl to Oudenburg | 533.44 mi (858.49 km) |
| Bad Ischl to Oupeye | 415.18 mi (668.17 km) |
| Bad Ischl to Overijse | 461.26 mi (742.32 km) |
| Bad Ischl to Overpelt | 440.60 mi (709.08 km) |
| Bad Ischl to Paal | 443.90 mi (714.39 km) |
| Bad Ischl to Peer | 436.33 mi (702.20 km) |
| Bad Ischl to Pepinster | 404.01 mi (650.18 km) |
| Bad Ischl to Peruwelz | 493.21 mi (793.74 km) |
| Bad Ischl to Perwez | 445.55 mi (717.05 km) |
| Bad Ischl to Philippeville | 445.77 mi (717.39 km) |
| Bad Ischl to Plombieres | 404.07 mi (650.28 km) |
