| Wolfenbuttel to Navodari | 988.46 mi (1,590.77 km) |
| Wolfenbuttel to Negresti-Oas | 643.22 mi (1,035.16 km) |
| Wolfenbuttel to Nehoiu | 855.78 mi (1,377.25 km) |
| Wolfenbuttel to Ocna Mures | 719.21 mi (1,157.46 km) |
| Wolfenbuttel to Odobesti | 867.40 mi (1,395.94 km) |
| Wolfenbuttel to Odorheiu Secuiesc | 776.91 mi (1,250.31 km) |
| Wolfenbuttel to Oltenita | 925.39 mi (1,489.27 km) |
| Wolfenbuttel to Onesti | 835.92 mi (1,345.28 km) |
| Wolfenbuttel to Oradea | 618.07 mi (994.69 km) |
| Wolfenbuttel to Orastie | 719.16 mi (1,157.38 km) |
| Wolfenbuttel to Oravita | 706.77 mi (1,137.44 km) |
| Wolfenbuttel to Orsova | 746.25 mi (1,200.97 km) |
| Wolfenbuttel to Otelu Rosu | 705.16 mi (1,134.84 km) |
| Wolfenbuttel to Otopeni | 883.12 mi (1,421.24 km) |
| Wolfenbuttel to Ovidiu | 988.69 mi (1,591.14 km) |
