| Aachen to Octeville | 350.64 mi (564.30 km) |
| Aachen to Oignies | 137.08 mi (220.61 km) |
| Aachen to Oissel | 242.53 mi (390.31 km) |
| Aachen to Olivet | 275.53 mi (443.42 km) |
| Aachen to Ollioules | 527.73 mi (849.30 km) |
| Aachen to Olonne-sur-Mer | 462.58 mi (744.45 km) |
| Aachen to Oloron-Sainte-Marie | 610.84 mi (983.06 km) |
| Aachen to Onet Village | 471.68 mi (759.10 km) |
| Aachen to Onnaing | 112.28 mi (180.70 km) |
| Aachen to Orange | 462.42 mi (744.19 km) |
| Aachen to Orchies | 126.17 mi (203.06 km) |
| Aachen to Orleans | 273.28 mi (439.80 km) |
| Aachen to Orly | 216.39 mi (348.24 km) |
| Aachen to Ormesson-sur-Marne | 209.53 mi (337.20 km) |
| Aachen to Orsay | 225.50 mi (362.90 km) |
