| Bielefeld to Oestrich-Winkel | 141.56 mi (227.83 km) |
| Bielefeld to Offenburg | 247.02 mi (397.53 km) |
| Bielefeld to Oftersheim | 183.14 mi (294.74 km) |
| Bielefeld to Ohrdruf | 125.54 mi (202.04 km) |
| Bielefeld to Ohringen | 199.46 mi (320.99 km) |
| Bielefeld to Olbernhau | 227.20 mi (365.65 km) |
| Bielefeld to Olching | 291.32 mi (468.83 km) |
| Bielefeld to Oldenburg | 78.74 mi (126.72 km) |
| Bielefeld to Oldenburg in Holstein | 185.07 mi (297.84 km) |
| Bielefeld to Olfen | 53.43 mi (85.99 km) |
| Bielefeld to Olpe | 75.67 mi (121.77 km) |
| Bielefeld to Olsberg | 46.42 mi (74.71 km) |
| Bielefeld to Oranienburg | 204.61 mi (329.30 km) |
| Bielefeld to Ortenberg | 117.25 mi (188.69 km) |
| Bielefeld to Oschatz | 202.17 mi (325.36 km) |
