| Langenhagen to Navodari | 1,027.11 mi (1,652.97 km) |
| Langenhagen to Negresti-Oas | 681.63 mi (1,096.98 km) |
| Langenhagen to Nehoiu | 894.47 mi (1,439.52 km) |
| Langenhagen to Ocna Mures | 757.94 mi (1,219.78 km) |
| Langenhagen to Odobesti | 905.94 mi (1,457.96 km) |
| Langenhagen to Odorheiu Secuiesc | 815.53 mi (1,312.47 km) |
| Langenhagen to Oltenita | 964.12 mi (1,551.61 km) |
| Langenhagen to Onesti | 874.36 mi (1,407.15 km) |
| Langenhagen to Oradea | 656.81 mi (1,057.03 km) |
| Langenhagen to Orastie | 757.87 mi (1,219.67 km) |
| Langenhagen to Oravita | 744.97 mi (1,198.92 km) |
| Langenhagen to Orsova | 784.54 mi (1,262.60 km) |
| Langenhagen to Otelu Rosu | 743.69 mi (1,196.86 km) |
| Langenhagen to Otopeni | 921.85 mi (1,483.58 km) |
| Langenhagen to Ovidiu | 1,027.35 mi (1,653.36 km) |
