| Glen Parva to Opwijk | 254.36 mi (409.34 km) |
| Glen Parva to Ostend | 197.71 mi (318.18 km) |
| Glen Parva to Oud-Heverlee | 277.28 mi (446.23 km) |
| Glen Parva to Oud-Turnhout | 275.90 mi (444.01 km) |
| Glen Parva to Oudenaarde | 236.45 mi (380.54 km) |
| Glen Parva to Oudenburg | 202.20 mi (325.41 km) |
| Glen Parva to Oupeye | 319.14 mi (513.60 km) |
| Glen Parva to Overijse | 273.83 mi (440.68 km) |
| Glen Parva to Overpelt | 295.86 mi (476.15 km) |
| Glen Parva to Paal | 290.82 mi (468.03 km) |
| Glen Parva to Peer | 299.49 mi (481.98 km) |
| Glen Parva to Pepinster | 330.37 mi (531.68 km) |
| Glen Parva to Peruwelz | 248.94 mi (400.64 km) |
| Glen Parva to Perwez | 289.99 mi (466.69 km) |
| Glen Parva to Philippeville | 296.22 mi (476.73 km) |
