| Cities | Distance |
|---|---|
| Herdecke to Ottendorf-Okrilla | 276.56 mi (445.09 km) |
| Herdecke to Ottersberg | 138.08 mi (222.22 km) |
| Herdecke to Ottobrunn | 297.86 mi (479.36 km) |
| Herdecke to Ottweiler | 140.98 mi (226.88 km) |
| Herdecke to Overath | 31.62 mi (50.89 km) |
| Herdecke to Oyten | 132.92 mi (213.91 km) |
| Herdecke to Paderborn | 60.85 mi (97.92 km) |
| Herdecke to Papenburg | 115.17 mi (185.34 km) |
| Herdecke to Parchim | 231.90 mi (373.21 km) |
| Herdecke to Pasewalk | 312.11 mi (502.29 km) |
| Herdecke to Passau | 331.35 mi (533.25 km) |
| Herdecke to Pattensen | 116.23 mi (187.06 km) |
| Herdecke to Pegnitz | 213.12 mi (342.99 km) |
| Herdecke to Peine | 135.34 mi (217.81 km) |
| Herdecke to Peissenberg | 297.28 mi (478.42 km) |