| Bailen to Opwijk | 971.13 mi (1,562.88 km) |
| Bailen to Ostend | 964.69 mi (1,552.53 km) |
| Bailen to Oud-Heverlee | 972.67 mi (1,565.36 km) |
| Bailen to Oud-Turnhout | 1,008.59 mi (1,623.17 km) |
| Bailen to Oudenaarde | 952.79 mi (1,533.37 km) |
| Bailen to Oudenburg | 963.32 mi (1,550.31 km) |
| Bailen to Oupeye | 986.45 mi (1,587.54 km) |
| Bailen to Overijse | 966.88 mi (1,556.04 km) |
| Bailen to Overpelt | 1,011.66 mi (1,628.11 km) |
| Bailen to Paal | 995.77 mi (1,602.54 km) |
| Bailen to Peer | 1,007.44 mi (1,621.31 km) |
| Bailen to Pepinster | 982.16 mi (1,580.63 km) |
| Bailen to Peruwelz | 931.66 mi (1,499.37 km) |
| Bailen to Perwez | 963.12 mi (1,549.99 km) |
| Bailen to Philippeville | 931.85 mi (1,499.67 km) |
