| Cities | Distance |
|---|---|
| Alpen to Opwijk | 109.10 mi (175.58 km) |
| Alpen to Ostend | 156.73 mi (252.24 km) |
| Alpen to Oud-Heverlee | 94.92 mi (152.76 km) |
| Alpen to Oud-Turnhout | 68.23 mi (109.80 km) |
| Alpen to Oudenaarde | 135.64 mi (218.28 km) |
| Alpen to Oudenburg | 153.86 mi (247.62 km) |
| Alpen to Oupeye | 70.75 mi (113.87 km) |
| Alpen to Overijse | 101.69 mi (163.65 km) |
| Alpen to Overpelt | 53.33 mi (85.83 km) |
| Alpen to Paal | 68.69 mi (110.55 km) |
| Alpen to Peer | 54.96 mi (88.46 km) |
| Alpen to Pepinster | 75.93 mi (122.20 km) |
| Alpen to Peruwelz | 146.74 mi (236.15 km) |
| Alpen to Perwez | 98.69 mi (158.83 km) |
| Alpen to Philippeville | 127.83 mi (205.72 km) |