| Bad Homburg to Octeville | 457.11 mi (735.65 km) |
| Bad Homburg to Oignies | 247.77 mi (398.74 km) |
| Bad Homburg to Oissel | 340.26 mi (547.59 km) |
| Bad Homburg to Olivet | 344.06 mi (553.70 km) |
| Bad Homburg to Ollioules | 506.02 mi (814.35 km) |
| Bad Homburg to Olonne-sur-Mer | 539.05 mi (867.52 km) |
| Bad Homburg to Oloron-Sainte-Marie | 651.50 mi (1,048.49 km) |
| Bad Homburg to Onet Village | 492.26 mi (792.21 km) |
| Bad Homburg to Onnaing | 221.02 mi (355.70 km) |
| Bad Homburg to Orange | 455.99 mi (733.85 km) |
| Bad Homburg to Orchies | 236.77 mi (381.04 km) |
| Bad Homburg to Orleans | 342.37 mi (550.99 km) |
| Bad Homburg to Orly | 296.53 mi (477.23 km) |
| Bad Homburg to Ormesson-sur-Marne | 289.30 mi (465.59 km) |
| Bad Homburg to Orsay | 306.39 mi (493.09 km) |
