| Cities | Distance |
|---|---|
| Altena to Opwijk | 152.76 mi (245.84 km) |
| Altena to Ostend | 205.28 mi (330.36 km) |
| Altena to Oud-Heverlee | 134.18 mi (215.94 km) |
| Altena to Oud-Turnhout | 115.90 mi (186.53 km) |
| Altena to Oudenaarde | 179.23 mi (288.45 km) |
| Altena to Oudenburg | 201.98 mi (325.06 km) |
| Altena to Oupeye | 97.01 mi (156.13 km) |
| Altena to Overijse | 140.71 mi (226.46 km) |
| Altena to Overpelt | 97.45 mi (156.84 km) |
| Altena to Paal | 109.53 mi (176.27 km) |
| Altena to Peer | 96.47 mi (155.25 km) |
| Altena to Pepinster | 95.16 mi (153.15 km) |
| Altena to Peruwelz | 185.93 mi (299.22 km) |
| Altena to Perwez | 132.58 mi (213.37 km) |
| Altena to Philippeville | 155.99 mi (251.05 km) |