| Herzberg am Harz to Obernburg am Main | 136.08 mi (219.01 km) |
| Herzberg am Harz to Obernkirchen | 66.95 mi (107.74 km) |
| Herzberg am Harz to Oberschleissheim | 241.65 mi (388.89 km) |
| Herzberg am Harz to Oberstdorf | 293.51 mi (472.35 km) |
| Herzberg am Harz to Obertraubling | 202.66 mi (326.15 km) |
| Herzberg am Harz to Obertshausen | 128.08 mi (206.12 km) |
| Herzberg am Harz to Oberursel | 126.47 mi (203.54 km) |
| Herzberg am Harz to Ochsenfurt | 139.22 mi (224.06 km) |
| Herzberg am Harz to Ochsenhausen | 248.34 mi (399.66 km) |
| Herzberg am Harz to Ochtrup | 139.46 mi (224.44 km) |
| Herzberg am Harz to Odenthal | 145.67 mi (234.44 km) |
| Herzberg am Harz to Oelde | 94.51 mi (152.11 km) |
| Herzberg am Harz to Oelsnitz | 116.79 mi (187.95 km) |
| Herzberg am Harz to Oer-Erkenschwick | 132.48 mi (213.20 km) |
| Herzberg am Harz to Oerlinghausen | 74.64 mi (120.13 km) |
