| Grimes to Opwijk | 4,365.14 mi (7,025.01 km) |
| Grimes to Ostend | 4,309.55 mi (6,935.54 km) |
| Grimes to Oud-Heverlee | 4,387.74 mi (7,061.38 km) |
| Grimes to Oud-Turnhout | 4,380.23 mi (7,049.31 km) |
| Grimes to Oudenaarde | 4,348.53 mi (6,998.28 km) |
| Grimes to Oudenburg | 4,314.07 mi (6,942.83 km) |
| Grimes to Oupeye | 4,427.74 mi (7,125.76 km) |
| Grimes to Overijse | 4,384.88 mi (7,056.78 km) |
| Grimes to Overpelt | 4,399.59 mi (7,080.45 km) |
| Grimes to Paal | 4,397.85 mi (7,077.66 km) |
| Grimes to Peer | 4,404.20 mi (7,087.88 km) |
| Grimes to Pepinster | 4,439.59 mi (7,144.82 km) |
| Grimes to Peruwelz | 4,360.73 mi (7,017.91 km) |
| Grimes to Perwez | 4,401.26 mi (7,083.15 km) |
| Grimes to Philippeville | 4,408.27 mi (7,094.43 km) |
