| Herzberg am Harz to Oestrich-Winkel | 153.46 mi (246.97 km) |
| Herzberg am Harz to Offenburg | 244.93 mi (394.18 km) |
| Herzberg am Harz to Oftersheim | 175.83 mi (282.98 km) |
| Herzberg am Harz to Ohrdruf | 59.76 mi (96.17 km) |
| Herzberg am Harz to Ohringen | 173.78 mi (279.68 km) |
| Herzberg am Harz to Olbernhau | 146.60 mi (235.93 km) |
| Herzberg am Harz to Olching | 242.79 mi (390.74 km) |
| Herzberg am Harz to Oldenburg | 136.33 mi (219.40 km) |
| Herzberg am Harz to Oldenburg in Holstein | 183.97 mi (296.06 km) |
| Herzberg am Harz to Olfen | 126.75 mi (203.99 km) |
| Herzberg am Harz to Olpe | 116.95 mi (188.21 km) |
| Herzberg am Harz to Olsberg | 82.67 mi (133.05 km) |
| Herzberg am Harz to Oranienburg | 144.13 mi (231.95 km) |
| Herzberg am Harz to Ortenberg | 105.89 mi (170.42 km) |
| Herzberg am Harz to Oschatz | 121.55 mi (195.62 km) |
