| Hattingen to Oestrich-Winkel | 103.03 mi (165.81 km) |
| Hattingen to Offenburg | 205.32 mi (330.43 km) |
| Hattingen to Oftersheim | 153.11 mi (246.40 km) |
| Hattingen to Ohrdruf | 158.81 mi (255.59 km) |
| Hattingen to Ohringen | 183.07 mi (294.62 km) |
| Hattingen to Olbernhau | 271.78 mi (437.39 km) |
| Hattingen to Olching | 287.65 mi (462.94 km) |
| Hattingen to Oldenburg | 128.14 mi (206.22 km) |
| Hattingen to Oldenburg in Holstein | 252.86 mi (406.93 km) |
| Hattingen to Olfen | 23.52 mi (37.85 km) |
| Hattingen to Olpe | 38.52 mi (62.00 km) |
| Hattingen to Olsberg | 56.06 mi (90.23 km) |
| Hattingen to Oranienburg | 273.39 mi (439.97 km) |
| Hattingen to Ortenberg | 108.81 mi (175.11 km) |
| Hattingen to Oschatz | 255.55 mi (411.27 km) |
