| Horsens to Oignies | 467.84 mi (752.91 km) |
| Horsens to Oissel | 580.31 mi (933.91 km) |
| Horsens to Olivet | 647.26 mi (1,041.67 km) |
| Horsens to Ollioules | 896.58 mi (1,442.90 km) |
| Horsens to Olonne-sur-Mer | 815.12 mi (1,311.81 km) |
| Horsens to Oloron-Sainte-Marie | 990.26 mi (1,593.67 km) |
| Horsens to Onet Village | 855.57 mi (1,376.91 km) |
| Horsens to Onnaing | 457.92 mi (736.96 km) |
| Horsens to Orange | 839.59 mi (1,351.18 km) |
| Horsens to Orchies | 461.33 mi (742.44 km) |
| Horsens to Orleans | 644.73 mi (1,037.60 km) |
| Horsens to Orly | 583.13 mi (938.46 km) |
| Horsens to Ormesson-sur-Marne | 577.34 mi (929.15 km) |
| Horsens to Orsay | 590.55 mi (950.40 km) |
| Horsens to Orthez | 975.25 mi (1,569.52 km) |
