| Cities | Distance |
|---|---|
| Aachen to Opwijk | 83.90 mi (135.03 km) |
| Aachen to Ostend | 141.04 mi (226.99 km) |
| Aachen to Oud-Heverlee | 62.00 mi (99.77 km) |
| Aachen to Oud-Turnhout | 60.68 mi (97.65 km) |
| Aachen to Oudenaarde | 108.54 mi (174.68 km) |
| Aachen to Oudenburg | 137.05 mi (220.57 km) |
| Aachen to Oupeye | 19.81 mi (31.89 km) |
| Aachen to Overijse | 67.73 mi (109.00 km) |
| Aachen to Overpelt | 42.07 mi (67.70 km) |
| Aachen to Paal | 43.66 mi (70.27 km) |
| Aachen to Peer | 36.89 mi (59.37 km) |
| Aachen to Pepinster | 18.57 mi (29.89 km) |
| Aachen to Peruwelz | 110.99 mi (178.62 km) |
| Aachen to Perwez | 56.49 mi (90.92 km) |
| Aachen to Philippeville | 78.27 mi (125.97 km) |