| Wiener Neudorf to Oria | 528.14 mi (849.96 km) |
| Wiener Neudorf to Oristano | 682.39 mi (1,098.20 km) |
| Wiener Neudorf to Orta Nova | 467.64 mi (752.60 km) |
| Wiener Neudorf to Orte | 432.89 mi (696.68 km) |
| Wiener Neudorf to Ortona | 407.05 mi (655.08 km) |
| Wiener Neudorf to Orvieto | 423.04 mi (680.82 km) |
| Wiener Neudorf to Orzinuovi | 354.34 mi (570.25 km) |
| Wiener Neudorf to Osimo | 345.92 mi (556.71 km) |
| Wiener Neudorf to Ospitaletto | 342.77 mi (551.63 km) |
| Wiener Neudorf to Ostuni | 511.83 mi (823.71 km) |
| Wiener Neudorf to Ottaviano | 508.02 mi (817.57 km) |
| Wiener Neudorf to Ovada | 435.95 mi (701.60 km) |
| Wiener Neudorf to Ozieri | 631.09 mi (1,015.64 km) |
| Wiener Neudorf to Paceco | 723.17 mi (1,163.83 km) |
| Wiener Neudorf to Pachino | 787.92 mi (1,268.04 km) |
