| Sint-Genesius-Rode to Oignies | 62.30 mi (100.27 km) |
| Sint-Genesius-Rode to Oissel | 173.93 mi (279.91 km) |
| Sint-Genesius-Rode to Olivet | 227.49 mi (366.12 km) |
| Sint-Genesius-Rode to Ollioules | 530.21 mi (853.29 km) |
| Sint-Genesius-Rode to Olonne-sur-Mer | 403.00 mi (648.56 km) |
| Sint-Genesius-Rode to Oloron-Sainte-Marie | 571.27 mi (919.37 km) |
| Sint-Genesius-Rode to Onet Village | 448.25 mi (721.39 km) |
| Sint-Genesius-Rode to Onnaing | 41.08 mi (66.11 km) |
| Sint-Genesius-Rode to Orange | 456.99 mi (735.45 km) |
| Sint-Genesius-Rode to Orchies | 51.81 mi (83.38 km) |
| Sint-Genesius-Rode to Orleans | 224.96 mi (362.04 km) |
| Sint-Genesius-Rode to Orly | 163.46 mi (263.07 km) |
| Sint-Genesius-Rode to Ormesson-sur-Marne | 157.58 mi (253.60 km) |
| Sint-Genesius-Rode to Orsay | 171.16 mi (275.46 km) |
| Sint-Genesius-Rode to Orthez | 555.81 mi (894.49 km) |
