| Hercules to Opwijk | 5,487.60 mi (8,831.44 km) |
| Hercules to Ostend | 5,438.31 mi (8,752.12 km) |
| Hercules to Oud-Heverlee | 5,508.19 mi (8,864.58 km) |
| Hercules to Oud-Turnhout | 5,491.29 mi (8,837.38 km) |
| Hercules to Oudenaarde | 5,477.29 mi (8,814.85 km) |
| Hercules to Oudenburg | 5,442.82 mi (8,759.37 km) |
| Hercules to Oupeye | 5,541.98 mi (8,918.95 km) |
| Hercules to Overijse | 5,507.11 mi (8,862.84 km) |
| Hercules to Overpelt | 5,508.54 mi (8,865.13 km) |
| Hercules to Paal | 5,511.30 mi (8,869.58 km) |
| Hercules to Peer | 5,514.04 mi (8,873.98 km) |
| Hercules to Pepinster | 5,554.37 mi (8,938.89 km) |
| Hercules to Peruwelz | 5,494.32 mi (8,842.25 km) |
| Hercules to Perwez | 5,523.46 mi (8,889.14 km) |
| Hercules to Philippeville | 5,538.52 mi (8,913.39 km) |
