| Greentree to Opwijk | 3,723.89 mi (5,993.02 km) |
| Greentree to Ostend | 3,666.26 mi (5,900.27 km) |
| Greentree to Oud-Heverlee | 3,746.86 mi (6,029.99 km) |
| Greentree to Oud-Turnhout | 3,747.42 mi (6,030.89 km) |
| Greentree to Oudenaarde | 3,703.06 mi (5,959.50 km) |
| Greentree to Oudenburg | 3,670.55 mi (5,907.18 km) |
| Greentree to Oupeye | 3,789.67 mi (6,098.89 km) |
| Greentree to Overijse | 3,742.71 mi (6,023.31 km) |
| Greentree to Overpelt | 3,767.38 mi (6,063.02 km) |
| Greentree to Paal | 3,762.10 mi (6,054.52 km) |
| Greentree to Peer | 3,771.02 mi (6,068.87 km) |
| Greentree to Pepinster | 3,800.43 mi (6,116.19 km) |
| Greentree to Peruwelz | 3,710.63 mi (5,971.68 km) |
| Greentree to Perwez | 3,758.23 mi (6,048.28 km) |
| Greentree to Philippeville | 3,758.30 mi (6,048.40 km) |
