| Herzele to Oignies | 48.33 mi (77.78 km) |
| Herzele to Oissel | 163.21 mi (262.67 km) |
| Herzele to Olivet | 226.87 mi (365.11 km) |
| Herzele to Ollioules | 542.94 mi (873.77 km) |
| Herzele to Olonne-sur-Mer | 395.64 mi (636.72 km) |
| Herzele to Oloron-Sainte-Marie | 571.52 mi (919.77 km) |
| Herzele to Onet Village | 454.30 mi (731.12 km) |
| Herzele to Onnaing | 36.45 mi (58.65 km) |
| Herzele to Orange | 468.02 mi (753.21 km) |
| Herzele to Orchies | 39.75 mi (63.97 km) |
| Herzele to Orleans | 224.25 mi (360.90 km) |
| Herzele to Orly | 162.06 mi (260.81 km) |
| Herzele to Ormesson-sur-Marne | 156.82 mi (252.38 km) |
| Herzele to Orsay | 168.86 mi (271.75 km) |
| Herzele to Orthez | 555.45 mi (893.92 km) |
