| Green to Opwijk | 3,936.20 mi (6,334.69 km) |
| Green to Ostend | 3,879.00 mi (6,242.65 km) |
| Green to Oud-Heverlee | 3,959.16 mi (6,371.66 km) |
| Green to Oud-Turnhout | 3,956.63 mi (6,367.59 km) |
| Green to Oudenaarde | 3,916.86 mi (6,303.58 km) |
| Green to Oudenburg | 3,883.41 mi (6,249.74 km) |
| Green to Oupeye | 4,001.15 mi (6,439.23 km) |
| Green to Overijse | 3,955.48 mi (6,365.73 km) |
| Green to Overpelt | 3,976.49 mi (6,399.54 km) |
| Green to Paal | 3,972.53 mi (6,393.17 km) |
| Green to Peer | 3,980.52 mi (6,406.02 km) |
| Green to Pepinster | 4,012.38 mi (6,457.31 km) |
| Green to Peruwelz | 3,926.26 mi (6,318.70 km) |
| Green to Perwez | 3,971.42 mi (6,391.39 km) |
| Green to Philippeville | 3,974.15 mi (6,395.78 km) |
