| Wiener Neustadt to Oegstgeest | 603.02 mi (970.46 km) |
| Wiener Neustadt to Oirschot | 551.16 mi (887.01 km) |
| Wiener Neustadt to Oisterwijk | 557.39 mi (897.03 km) |
| Wiener Neustadt to Oldebroek | 558.27 mi (898.44 km) |
| Wiener Neustadt to Oldenzaal | 516.45 mi (831.15 km) |
| Wiener Neustadt to Ommen | 542.24 mi (872.64 km) |
| Wiener Neustadt to Oosterend | 573.11 mi (922.33 km) |
| Wiener Neustadt to Oosterhout | 572.55 mi (921.42 km) |
| Wiener Neustadt to Oosterwolde | 564.91 mi (909.13 km) |
| Wiener Neustadt to Oostzaan | 595.02 mi (957.59 km) |
| Wiener Neustadt to Opmeer | 601.43 mi (967.91 km) |
| Wiener Neustadt to Oss | 550.30 mi (885.62 km) |
| Wiener Neustadt to Oud-Beijerland | 595.23 mi (957.93 km) |
| Wiener Neustadt to Oudenbosch | 584.33 mi (940.39 km) |
| Wiener Neustadt to Oudewater | 582.74 mi (937.84 km) |
