| Grain Valley to Opwijk | 4,512.89 mi (7,262.80 km) |
| Grain Valley to Ostend | 4,456.85 mi (7,172.60 km) |
| Grain Valley to Oud-Heverlee | 4,535.62 mi (7,299.37 km) |
| Grain Valley to Oud-Turnhout | 4,529.21 mi (7,289.06 km) |
| Grain Valley to Oudenaarde | 4,495.64 mi (7,235.03 km) |
| Grain Valley to Oudenburg | 4,461.35 mi (7,179.86 km) |
| Grain Valley to Oupeye | 4,576.13 mi (7,364.57 km) |
| Grain Valley to Overijse | 4,532.57 mi (7,294.46 km) |
| Grain Valley to Overpelt | 4,548.71 mi (7,320.43 km) |
| Grain Valley to Paal | 4,546.48 mi (7,316.85 km) |
| Grain Valley to Peer | 4,553.20 mi (7,327.67 km) |
| Grain Valley to Pepinster | 4,587.86 mi (7,383.45 km) |
| Grain Valley to Peruwelz | 4,507.21 mi (7,253.66 km) |
| Grain Valley to Perwez | 4,548.88 mi (7,320.71 km) |
| Grain Valley to Philippeville | 4,554.92 mi (7,330.43 km) |
