| Stadthagen to Navodari | 1,044.16 mi (1,680.42 km) |
| Stadthagen to Negresti-Oas | 699.71 mi (1,126.07 km) |
| Stadthagen to Nehoiu | 911.26 mi (1,466.52 km) |
| Stadthagen to Ocna Mures | 774.38 mi (1,246.24 km) |
| Stadthagen to Odobesti | 923.54 mi (1,486.30 km) |
| Stadthagen to Odorheiu Secuiesc | 832.77 mi (1,340.21 km) |
| Stadthagen to Oltenita | 979.85 mi (1,576.92 km) |
| Stadthagen to Onesti | 892.32 mi (1,436.04 km) |
| Stadthagen to Oradea | 672.77 mi (1,082.72 km) |
| Stadthagen to Orastie | 773.16 mi (1,244.29 km) |
| Stadthagen to Oravita | 757.95 mi (1,219.80 km) |
| Stadthagen to Orsova | 797.79 mi (1,283.91 km) |
| Stadthagen to Otelu Rosu | 757.88 mi (1,219.69 km) |
| Stadthagen to Otopeni | 937.68 mi (1,509.05 km) |
| Stadthagen to Ovidiu | 1,044.33 mi (1,680.69 km) |
