| Wolfenbuttel to Oerlinghausen | 80.58 mi (129.68 km) |
| Wolfenbuttel to Oestrich-Winkel | 185.57 mi (298.64 km) |
| Wolfenbuttel to Offenburg | 279.94 mi (450.52 km) |
| Wolfenbuttel to Oftersheim | 210.89 mi (339.39 km) |
| Wolfenbuttel to Ohrdruf | 92.56 mi (148.96 km) |
| Wolfenbuttel to Ohringen | 209.64 mi (337.38 km) |
| Wolfenbuttel to Olbernhau | 158.72 mi (255.43 km) |
| Wolfenbuttel to Olching | 275.92 mi (444.05 km) |
| Wolfenbuttel to Oldenburg | 118.66 mi (190.96 km) |
| Wolfenbuttel to Oldenburg in Holstein | 148.40 mi (238.83 km) |
| Wolfenbuttel to Olfen | 137.80 mi (221.77 km) |
| Wolfenbuttel to Olpe | 140.46 mi (226.05 km) |
| Wolfenbuttel to Olsberg | 104.22 mi (167.73 km) |
| Wolfenbuttel to Oranienburg | 120.80 mi (194.42 km) |
| Wolfenbuttel to Ortenberg | 140.28 mi (225.76 km) |
