| Glenfield to Opwijk | 257.83 mi (414.94 km) |
| Glenfield to Ostend | 201.34 mi (324.03 km) |
| Glenfield to Oud-Heverlee | 280.73 mi (451.79 km) |
| Glenfield to Oud-Turnhout | 278.91 mi (448.86 km) |
| Glenfield to Oudenaarde | 240.17 mi (386.52 km) |
| Glenfield to Oudenburg | 205.84 mi (331.27 km) |
| Glenfield to Oupeye | 322.46 mi (518.95 km) |
| Glenfield to Overijse | 277.35 mi (446.35 km) |
| Glenfield to Overpelt | 298.87 mi (480.98 km) |
| Glenfield to Paal | 294.01 mi (473.16 km) |
| Glenfield to Peer | 302.55 mi (486.91 km) |
| Glenfield to Pepinster | 333.75 mi (537.11 km) |
| Glenfield to Peruwelz | 252.88 mi (406.97 km) |
| Glenfield to Perwez | 293.54 mi (472.41 km) |
| Glenfield to Philippeville | 300.08 mi (482.94 km) |
