| Wezembeek-Oppem to Oignies | 70.62 mi (113.66 km) |
| Wezembeek-Oppem to Oissel | 182.87 mi (294.30 km) |
| Wezembeek-Oppem to Olivet | 236.15 mi (380.04 km) |
| Wezembeek-Oppem to Ollioules | 535.35 mi (861.56 km) |
| Wezembeek-Oppem to Olonne-sur-Mer | 412.06 mi (663.15 km) |
| Wezembeek-Oppem to Oloron-Sainte-Marie | 579.70 mi (932.94 km) |
| Wezembeek-Oppem to Onet Village | 455.57 mi (733.17 km) |
| Wezembeek-Oppem to Onnaing | 50.11 mi (80.65 km) |
| Wezembeek-Oppem to Orange | 462.80 mi (744.81 km) |
| Wezembeek-Oppem to Orchies | 60.33 mi (97.09 km) |
| Wezembeek-Oppem to Orleans | 233.62 mi (375.98 km) |
| Wezembeek-Oppem to Orly | 172.25 mi (277.21 km) |
| Wezembeek-Oppem to Ormesson-sur-Marne | 166.31 mi (267.65 km) |
| Wezembeek-Oppem to Orsay | 180.02 mi (289.72 km) |
| Wezembeek-Oppem to Orthez | 564.34 mi (908.21 km) |
