| Herentals to Oestrich-Winkel | 161.16 mi (259.36 km) |
| Herentals to Offenburg | 233.03 mi (375.03 km) |
| Herentals to Oftersheim | 207.62 mi (334.14 km) |
| Herentals to Ohrdruf | 257.59 mi (414.55 km) |
| Herentals to Ohringen | 247.70 mi (398.64 km) |
| Herentals to Olbernhau | 371.70 mi (598.19 km) |
| Herentals to Olching | 355.41 mi (571.97 km) |
| Herentals to Oldenburg | 197.14 mi (317.26 km) |
| Herentals to Oldenburg in Holstein | 332.09 mi (534.44 km) |
| Herentals to Olfen | 115.81 mi (186.38 km) |
| Herentals to Olpe | 130.66 mi (210.28 km) |
| Herentals to Olsberg | 158.20 mi (254.60 km) |
| Herentals to Oranienburg | 373.58 mi (601.21 km) |
| Herentals to Ortenberg | 193.11 mi (310.79 km) |
| Herentals to Oschatz | 357.79 mi (575.80 km) |
