| Sioux Falls to Oberkirch | 4,617.54 mi (7,431.21 km) |
| Sioux Falls to Obernburg am Main | 4,595.37 mi (7,395.54 km) |
| Sioux Falls to Obernkirchen | 4,486.62 mi (7,220.52 km) |
| Sioux Falls to Oberschleissheim | 4,750.41 mi (7,645.05 km) |
| Sioux Falls to Oberstdorf | 4,745.11 mi (7,636.51 km) |
| Sioux Falls to Obertraubling | 4,737.24 mi (7,623.85 km) |
| Sioux Falls to Obertshausen | 4,574.79 mi (7,362.42 km) |
| Sioux Falls to Oberursel | 4,560.03 mi (7,338.65 km) |
| Sioux Falls to Ochsenfurt | 4,635.22 mi (7,459.67 km) |
| Sioux Falls to Ochsenhausen | 4,703.16 mi (7,569.00 km) |
| Sioux Falls to Ochtrup | 4,425.96 mi (7,122.90 km) |
| Sioux Falls to Odenthal | 4,474.16 mi (7,200.46 km) |
| Sioux Falls to Oelde | 4,473.88 mi (7,200.01 km) |
| Sioux Falls to Oelsnitz | 4,669.73 mi (7,515.21 km) |
| Sioux Falls to Oer-Erkenschwick | 4,452.29 mi (7,165.26 km) |
