| Haldensleben to Oestrich-Winkel | 216.34 mi (348.17 km) |
| Haldensleben to Offenburg | 305.04 mi (490.91 km) |
| Haldensleben to Oftersheim | 236.13 mi (380.02 km) |
| Haldensleben to Ohrdruf | 104.75 mi (168.58 km) |
| Haldensleben to Ohringen | 228.91 mi (368.39 km) |
| Haldensleben to Olbernhau | 138.84 mi (223.44 km) |
| Haldensleben to Olching | 282.16 mi (454.10 km) |
| Haldensleben to Oldenburg | 146.64 mi (235.99 km) |
| Haldensleben to Oldenburg in Holstein | 141.07 mi (227.03 km) |
| Haldensleben to Olfen | 175.96 mi (283.18 km) |
| Haldensleben to Olpe | 176.77 mi (284.48 km) |
| Haldensleben to Olsberg | 140.90 mi (226.75 km) |
| Haldensleben to Oranienburg | 83.16 mi (133.83 km) |
| Haldensleben to Ortenberg | 167.71 mi (269.91 km) |
| Haldensleben to Oschatz | 99.15 mi (159.57 km) |
