| Hallbergmoos to Navodari | 848.88 mi (1,366.15 km) |
| Hallbergmoos to Negresti-Oas | 539.10 mi (867.59 km) |
| Hallbergmoos to Nehoiu | 716.75 mi (1,153.50 km) |
| Hallbergmoos to Ocna Mures | 581.78 mi (936.28 km) |
| Hallbergmoos to Odobesti | 741.17 mi (1,192.81 km) |
| Hallbergmoos to Odorheiu Secuiesc | 648.93 mi (1,044.35 km) |
| Hallbergmoos to Oltenita | 768.28 mi (1,236.43 km) |
| Hallbergmoos to Onesti | 717.01 mi (1,153.91 km) |
| Hallbergmoos to Oradea | 480.52 mi (773.32 km) |
| Hallbergmoos to Orastie | 564.65 mi (908.71 km) |
| Hallbergmoos to Oravita | 522.45 mi (840.81 km) |
| Hallbergmoos to Orsova | 563.46 mi (906.80 km) |
| Hallbergmoos to Otelu Rosu | 536.22 mi (862.96 km) |
| Hallbergmoos to Otopeni | 728.82 mi (1,172.92 km) |
| Hallbergmoos to Ovidiu | 848.00 mi (1,364.72 km) |
