| Schwechat to Oestrich-Winkel | 404.44 mi (650.88 km) |
| Schwechat to Offenburg | 393.18 mi (632.76 km) |
| Schwechat to Oftersheim | 369.28 mi (594.31 km) |
| Schwechat to Ohrdruf | 317.63 mi (511.18 km) |
| Schwechat to Ohringen | 326.59 mi (525.59 km) |
| Schwechat to Olbernhau | 224.57 mi (361.40 km) |
| Schwechat to Olching | 237.85 mi (382.78 km) |
| Schwechat to Oldenburg | 500.03 mi (804.71 km) |
| Schwechat to Oldenburg in Holstein | 489.25 mi (787.37 km) |
| Schwechat to Olfen | 473.51 mi (762.03 km) |
| Schwechat to Olpe | 434.92 mi (699.94 km) |
| Schwechat to Olsberg | 419.87 mi (675.71 km) |
| Schwechat to Oranienburg | 349.11 mi (561.84 km) |
| Schwechat to Ortenberg | 367.90 mi (592.08 km) |
| Schwechat to Oschatz | 265.13 mi (426.68 km) |
