| Obertraubling to Navodari | 841.39 mi (1,354.08 km) |
| Obertraubling to Negresti-Oas | 521.26 mi (838.88 km) |
| Obertraubling to Nehoiu | 708.26 mi (1,139.83 km) |
| Obertraubling to Ocna Mures | 571.65 mi (919.98 km) |
| Obertraubling to Odobesti | 730.06 mi (1,174.92 km) |
| Obertraubling to Odorheiu Secuiesc | 637.40 mi (1,025.80 km) |
| Obertraubling to Oltenita | 764.35 mi (1,230.10 km) |
| Obertraubling to Onesti | 704.16 mi (1,133.23 km) |
| Obertraubling to Oradea | 469.01 mi (754.81 km) |
| Obertraubling to Orastie | 558.36 mi (898.60 km) |
| Obertraubling to Oravita | 523.56 mi (842.59 km) |
| Obertraubling to Orsova | 564.56 mi (908.57 km) |
| Obertraubling to Otelu Rosu | 533.27 mi (858.22 km) |
| Obertraubling to Otopeni | 723.95 mi (1,165.09 km) |
| Obertraubling to Ovidiu | 840.74 mi (1,353.05 km) |
