| Herent to Oestrich-Winkel | 159.32 mi (256.40 km) |
| Herent to Offenburg | 222.95 mi (358.80 km) |
| Herent to Oftersheim | 203.25 mi (327.10 km) |
| Herent to Ohrdruf | 264.33 mi (425.39 km) |
| Herent to Ohringen | 244.53 mi (393.53 km) |
| Herent to Olbernhau | 378.54 mi (609.21 km) |
| Herent to Olching | 351.58 mi (565.82 km) |
| Herent to Oldenburg | 215.72 mi (347.16 km) |
| Herent to Oldenburg in Holstein | 350.32 mi (563.78 km) |
| Herent to Olfen | 129.79 mi (208.87 km) |
| Herent to Olpe | 137.83 mi (221.81 km) |
| Herent to Olsberg | 168.10 mi (270.53 km) |
| Herent to Oranienburg | 387.09 mi (622.96 km) |
| Herent to Ortenberg | 195.88 mi (315.24 km) |
| Herent to Oschatz | 366.81 mi (590.33 km) |
