| Wiener Neustadt to Navodari | 639.06 mi (1,028.47 km) |
| Wiener Neustadt to Negresti-Oas | 332.59 mi (535.25 km) |
| Wiener Neustadt to Nehoiu | 506.45 mi (815.06 km) |
| Wiener Neustadt to Ocna Mures | 371.05 mi (597.15 km) |
| Wiener Neustadt to Odobesti | 530.42 mi (853.63 km) |
| Wiener Neustadt to Odorheiu Secuiesc | 438.20 mi (705.21 km) |
| Wiener Neustadt to Oltenita | 560.94 mi (902.75 km) |
| Wiener Neustadt to Onesti | 506.46 mi (815.07 km) |
| Wiener Neustadt to Oradea | 269.88 mi (434.33 km) |
| Wiener Neustadt to Orastie | 355.34 mi (571.87 km) |
| Wiener Neustadt to Oravita | 322.05 mi (518.29 km) |
| Wiener Neustadt to Orsova | 362.85 mi (583.94 km) |
| Wiener Neustadt to Otelu Rosu | 329.92 mi (530.96 km) |
| Wiener Neustadt to Otopeni | 520.65 mi (837.91 km) |
| Wiener Neustadt to Ovidiu | 638.30 mi (1,027.24 km) |
