| Horsens to Oestrich-Winkel | 412.00 mi (663.05 km) |
| Horsens to Offenburg | 517.08 mi (832.16 km) |
| Horsens to Oftersheim | 451.37 mi (726.41 km) |
| Horsens to Ohrdruf | 349.45 mi (562.38 km) |
| Horsens to Ohringen | 460.28 mi (740.75 km) |
| Horsens to Olbernhau | 386.39 mi (621.84 km) |
| Horsens to Olching | 532.77 mi (857.40 km) |
| Horsens to Oldenburg | 198.69 mi (319.76 km) |
| Horsens to Oldenburg in Holstein | 115.16 mi (185.33 km) |
| Horsens to Olfen | 303.30 mi (488.12 km) |
| Horsens to Olpe | 344.63 mi (554.62 km) |
| Horsens to Olsberg | 316.48 mi (509.32 km) |
| Horsens to Oranienburg | 254.16 mi (409.04 km) |
| Horsens to Ortenberg | 381.61 mi (614.13 km) |
| Horsens to Oschatz | 342.01 mi (550.40 km) |
