| Chaumont-Gistoux to Oignies | 76.10 mi (122.47 km) |
| Chaumont-Gistoux to Oissel | 184.89 mi (297.54 km) |
| Chaumont-Gistoux to Olivet | 231.97 mi (373.32 km) |
| Chaumont-Gistoux to Ollioules | 524.09 mi (843.43 km) |
| Chaumont-Gistoux to Olonne-sur-Mer | 411.32 mi (661.96 km) |
| Chaumont-Gistoux to Oloron-Sainte-Marie | 574.39 mi (924.39 km) |
| Chaumont-Gistoux to Onet Village | 447.37 mi (719.98 km) |
| Chaumont-Gistoux to Onnaing | 52.32 mi (84.20 km) |
| Chaumont-Gistoux to Orange | 452.29 mi (727.89 km) |
| Chaumont-Gistoux to Orchies | 65.26 mi (105.03 km) |
| Chaumont-Gistoux to Orleans | 229.50 mi (369.35 km) |
| Chaumont-Gistoux to Orly | 168.93 mi (271.86 km) |
| Chaumont-Gistoux to Ormesson-sur-Marne | 162.69 mi (261.82 km) |
| Chaumont-Gistoux to Orsay | 177.13 mi (285.07 km) |
| Chaumont-Gistoux to Orthez | 559.36 mi (900.21 km) |
