| Greenwood to Opwijk | 4,178.90 mi (6,725.29 km) |
| Greenwood to Ostend | 4,121.95 mi (6,633.63 km) |
| Greenwood to Oud-Heverlee | 4,201.83 mi (6,762.19 km) |
| Greenwood to Oud-Turnhout | 4,198.26 mi (6,756.45 km) |
| Greenwood to Oudenaarde | 4,160.10 mi (6,695.03 km) |
| Greenwood to Oudenburg | 4,126.39 mi (6,640.78 km) |
| Greenwood to Oupeye | 4,243.47 mi (6,829.21 km) |
| Greenwood to Overijse | 4,198.31 mi (6,756.53 km) |
| Greenwood to Overpelt | 4,218.04 mi (6,788.28 km) |
| Greenwood to Paal | 4,214.54 mi (6,782.65 km) |
| Greenwood to Peer | 4,222.20 mi (6,794.98 km) |
| Greenwood to Pepinster | 4,254.85 mi (6,847.52 km) |
| Greenwood to Peruwelz | 4,170.08 mi (6,711.09 km) |
| Greenwood to Perwez | 4,214.37 mi (6,782.37 km) |
| Greenwood to Philippeville | 4,217.97 mi (6,788.17 km) |
