| Adendorf to Navodari | 1,027.91 mi (1,654.27 km) |
| Adendorf to Negresti-Oas | 679.61 mi (1,093.72 km) |
| Adendorf to Nehoiu | 896.75 mi (1,443.18 km) |
| Adendorf to Ocna Mures | 762.08 mi (1,226.44 km) |
| Adendorf to Odobesti | 904.87 mi (1,456.25 km) |
| Adendorf to Odorheiu Secuiesc | 816.30 mi (1,313.71 km) |
| Adendorf to Oltenita | 970.14 mi (1,561.29 km) |
| Adendorf to Onesti | 871.97 mi (1,403.31 km) |
| Adendorf to Oradea | 663.28 mi (1,067.45 km) |
| Adendorf to Orastie | 766.21 mi (1,233.10 km) |
| Adendorf to Oravita | 761.16 mi (1,224.96 km) |
| Adendorf to Orsova | 799.69 mi (1,286.97 km) |
| Adendorf to Otelu Rosu | 755.93 mi (1,216.54 km) |
| Adendorf to Otopeni | 927.64 mi (1,492.89 km) |
| Adendorf to Ovidiu | 1,028.44 mi (1,655.11 km) |
