| Ardooie to Oignies | 35.36 mi (56.91 km) |
| Ardooie to Oissel | 145.52 mi (234.19 km) |
| Ardooie to Olivet | 221.99 mi (357.26 km) |
| Ardooie to Ollioules | 555.06 mi (893.28 km) |
| Ardooie to Olonne-sur-Mer | 380.19 mi (611.86 km) |
| Ardooie to Oloron-Sainte-Marie | 565.66 mi (910.34 km) |
| Ardooie to Onet Village | 456.91 mi (735.33 km) |
| Ardooie to Onnaing | 43.93 mi (70.70 km) |
| Ardooie to Orange | 477.82 mi (768.98 km) |
| Ardooie to Orchies | 34.10 mi (54.88 km) |
| Ardooie to Orleans | 219.31 mi (352.95 km) |
| Ardooie to Orly | 157.56 mi (253.57 km) |
| Ardooie to Ormesson-sur-Marne | 153.40 mi (246.87 km) |
| Ardooie to Orsay | 162.90 mi (262.17 km) |
| Ardooie to Orthez | 548.81 mi (883.23 km) |
