| Barleben to Oestrich-Winkel | 218.94 mi (352.35 km) |
| Barleben to Offenburg | 305.14 mi (491.07 km) |
| Barleben to Oftersheim | 236.49 mi (380.60 km) |
| Barleben to Ohrdruf | 102.39 mi (164.78 km) |
| Barleben to Ohringen | 227.31 mi (365.82 km) |
| Barleben to Olbernhau | 128.78 mi (207.25 km) |
| Barleben to Olching | 276.73 mi (445.35 km) |
| Barleben to Oldenburg | 157.39 mi (253.29 km) |
| Barleben to Oldenburg in Holstein | 148.37 mi (238.78 km) |
| Barleben to Olfen | 183.98 mi (296.09 km) |
| Barleben to Olpe | 182.37 mi (293.50 km) |
| Barleben to Olsberg | 146.90 mi (236.41 km) |
| Barleben to Oranienburg | 77.60 mi (124.88 km) |
| Barleben to Ortenberg | 169.25 mi (272.37 km) |
| Barleben to Oschatz | 88.54 mi (142.48 km) |
