| Ardesen to Opwijk | 1,865.23 mi (3,001.79 km) |
| Ardesen to Ostend | 1,921.72 mi (3,092.72 km) |
| Ardesen to Oud-Heverlee | 1,843.21 mi (2,966.37 km) |
| Ardesen to Oud-Turnhout | 1,833.98 mi (2,951.51 km) |
| Ardesen to Oudenaarde | 1,889.59 mi (3,041.00 km) |
| Ardesen to Oudenburg | 1,917.94 mi (3,086.63 km) |
| Ardesen to Oupeye | 1,799.80 mi (2,896.50 km) |
| Ardesen to Overijse | 1,848.59 mi (2,975.01 km) |
| Ardesen to Overpelt | 1,814.44 mi (2,920.07 km) |
| Ardesen to Paal | 1,823.18 mi (2,934.13 km) |
| Ardesen to Peer | 1,812.02 mi (2,916.17 km) |
| Ardesen to Pepinster | 1,790.97 mi (2,882.30 km) |
| Ardesen to Peruwelz | 1,888.04 mi (3,038.51 km) |
| Ardesen to Perwez | 1,835.06 mi (2,953.25 km) |
| Ardesen to Philippeville | 1,843.54 mi (2,966.90 km) |
