| Dillenburg to Octeville | 445.45 mi (716.88 km) |
| Dillenburg to Oignies | 232.64 mi (374.40 km) |
| Dillenburg to Oissel | 333.17 mi (536.18 km) |
| Dillenburg to Olivet | 349.10 mi (561.83 km) |
| Dillenburg to Ollioules | 537.05 mi (864.30 km) |
| Dillenburg to Olonne-sur-Mer | 542.38 mi (872.87 km) |
| Dillenburg to Oloron-Sainte-Marie | 667.64 mi (1,074.47 km) |
| Dillenburg to Onet Village | 513.43 mi (826.28 km) |
| Dillenburg to Onnaing | 206.99 mi (333.12 km) |
| Dillenburg to Orange | 483.58 mi (778.25 km) |
| Dillenburg to Orchies | 221.65 mi (356.71 km) |
| Dillenburg to Orleans | 347.19 mi (558.76 km) |
| Dillenburg to Orly | 296.66 mi (477.43 km) |
| Dillenburg to Ormesson-sur-Marne | 289.47 mi (465.86 km) |
| Dillenburg to Orsay | 306.36 mi (493.03 km) |
