| Popesti-Leordeni to Opwijk | 1,114.05 mi (1,792.90 km) |
| Popesti-Leordeni to Ostend | 1,171.67 mi (1,885.61 km) |
| Popesti-Leordeni to Oud-Heverlee | 1,091.29 mi (1,756.25 km) |
| Popesti-Leordeni to Oud-Turnhout | 1,087.77 mi (1,750.60 km) |
| Popesti-Leordeni to Oudenaarde | 1,136.53 mi (1,829.07 km) |
| Popesti-Leordeni to Oudenburg | 1,167.55 mi (1,878.98 km) |
| Popesti-Leordeni to Oupeye | 1,047.91 mi (1,686.44 km) |
| Popesti-Leordeni to Overijse | 1,095.97 mi (1,763.79 km) |
| Popesti-Leordeni to Overpelt | 1,067.81 mi (1,718.48 km) |
| Popesti-Leordeni to Paal | 1,074.18 mi (1,728.72 km) |
| Popesti-Leordeni to Peer | 1,064.50 mi (1,713.15 km) |
| Popesti-Leordeni to Pepinster | 1,037.83 mi (1,670.22 km) |
| Popesti-Leordeni to Peruwelz | 1,131.75 mi (1,821.37 km) |
| Popesti-Leordeni to Perwez | 1,081.18 mi (1,739.98 km) |
| Popesti-Leordeni to Philippeville | 1,085.24 mi (1,746.52 km) |
