| Kampenhout to Oignies | 75.49 mi (121.50 km) |
| Kampenhout to Oissel | 188.81 mi (303.86 km) |
| Kampenhout to Olivet | 243.67 mi (392.16 km) |
| Kampenhout to Ollioules | 542.49 mi (873.05 km) |
| Kampenhout to Olonne-sur-Mer | 418.79 mi (673.99 km) |
| Kampenhout to Oloron-Sainte-Marie | 587.35 mi (945.25 km) |
| Kampenhout to Onet Village | 463.32 mi (745.64 km) |
| Kampenhout to Onnaing | 56.56 mi (91.02 km) |
| Kampenhout to Orange | 470.20 mi (756.71 km) |
| Kampenhout to Orchies | 65.59 mi (105.55 km) |
| Kampenhout to Orleans | 241.14 mi (388.08 km) |
| Kampenhout to Orly | 179.67 mi (289.15 km) |
| Kampenhout to Ormesson-sur-Marne | 173.78 mi (279.67 km) |
| Kampenhout to Orsay | 187.35 mi (301.52 km) |
| Kampenhout to Orthez | 571.94 mi (920.45 km) |
