| Londerzeel to Oignies | 67.89 mi (109.25 km) |
| Londerzeel to Oissel | 182.42 mi (293.57 km) |
| Londerzeel to Olivet | 241.99 mi (389.45 km) |
| Londerzeel to Ollioules | 547.94 mi (881.82 km) |
| Londerzeel to Olonne-sur-Mer | 413.98 mi (666.24 km) |
| Londerzeel to Oloron-Sainte-Marie | 586.30 mi (943.57 km) |
| Londerzeel to Onet Village | 465.18 mi (748.63 km) |
| Londerzeel to Onnaing | 52.28 mi (84.13 km) |
| Londerzeel to Orange | 474.69 mi (763.94 km) |
| Londerzeel to Orchies | 58.73 mi (94.51 km) |
| Londerzeel to Orleans | 239.42 mi (385.31 km) |
| Londerzeel to Orly | 177.50 mi (285.66 km) |
| Londerzeel to Ormesson-sur-Marne | 171.90 mi (276.65 km) |
| Londerzeel to Orsay | 184.79 mi (297.39 km) |
| Londerzeel to Orthez | 570.59 mi (918.27 km) |