| Mackworth to Opwijk | 278.66 mi (448.45 km) |
| Mackworth to Ostend | 222.75 mi (358.48 km) |
| Mackworth to Oud-Heverlee | 301.45 mi (485.13 km) |
| Mackworth to Oud-Turnhout | 298.03 mi (479.64 km) |
| Mackworth to Oudenaarde | 261.82 mi (421.36 km) |
| Mackworth to Oudenburg | 227.28 mi (365.78 km) |
| Mackworth to Oupeye | 342.67 mi (551.47 km) |
| Mackworth to Overijse | 298.30 mi (480.07 km) |
| Mackworth to Overpelt | 317.95 mi (511.69 km) |
| Mackworth to Paal | 313.78 mi (504.98 km) |
| Mackworth to Peer | 321.84 mi (517.96 km) |
| Mackworth to Pepinster | 354.14 mi (569.93 km) |
| Mackworth to Peruwelz | 275.18 mi (442.86 km) |
| Mackworth to Perwez | 314.60 mi (506.31 km) |
| Mackworth to Philippeville | 322.13 mi (518.41 km) |
