| Brilon to Octeville | 464.56 mi (747.64 km) |
| Brilon to Oignies | 250.96 mi (403.88 km) |
| Brilon to Oissel | 358.53 mi (577.00 km) |
| Brilon to Olivet | 385.19 mi (619.90 km) |
| Brilon to Ollioules | 584.43 mi (940.55 km) |
| Brilon to Olonne-sur-Mer | 575.98 mi (926.95 km) |
| Brilon to Oloron-Sainte-Marie | 710.14 mi (1,142.86 km) |
| Brilon to Onet Village | 558.64 mi (899.05 km) |
| Brilon to Onnaing | 227.46 mi (366.06 km) |
| Brilon to Orange | 530.75 mi (854.16 km) |
| Brilon to Orchies | 240.32 mi (386.75 km) |
| Brilon to Orleans | 383.13 mi (616.58 km) |
| Brilon to Orly | 329.31 mi (529.98 km) |
| Brilon to Ormesson-sur-Marne | 322.26 mi (518.62 km) |
| Brilon to Orsay | 338.75 mi (545.16 km) |
