| Herzberg am Harz to Octeville | 542.82 mi (873.59 km) |
| Herzberg am Harz to Oignies | 329.28 mi (529.93 km) |
| Herzberg am Harz to Oissel | 436.48 mi (702.45 km) |
| Herzberg am Harz to Olivet | 458.48 mi (737.86 km) |
| Herzberg am Harz to Ollioules | 624.64 mi (1,005.27 km) |
| Herzberg am Harz to Olonne-sur-Mer | 651.10 mi (1,047.84 km) |
| Herzberg am Harz to Oloron-Sainte-Marie | 775.39 mi (1,247.87 km) |
| Herzberg am Harz to Onet Village | 617.38 mi (993.57 km) |
| Herzberg am Harz to Onnaing | 305.77 mi (492.10 km) |
| Herzberg am Harz to Orange | 578.87 mi (931.61 km) |
| Herzberg am Harz to Orchies | 318.65 mi (512.82 km) |
| Herzberg am Harz to Orleans | 456.54 mi (734.73 km) |
| Herzberg am Harz to Orly | 404.77 mi (651.41 km) |
| Herzberg am Harz to Ormesson-sur-Marne | 397.63 mi (639.93 km) |
| Herzberg am Harz to Orsay | 414.35 mi (666.84 km) |
