| Sioux Falls to Nuth | 4,437.23 mi (7,141.03 km) |
| Sioux Falls to Oegstgeest | 4,335.64 mi (6,977.53 km) |
| Sioux Falls to Oirschot | 4,392.53 mi (7,069.10 km) |
| Sioux Falls to Oisterwijk | 4,385.62 mi (7,057.97 km) |
| Sioux Falls to Oldebroek | 4,372.66 mi (7,037.12 km) |
| Sioux Falls to Oldenzaal | 4,412.68 mi (7,101.52 km) |
| Sioux Falls to Ommen | 4,387.02 mi (7,060.23 km) |
| Sioux Falls to Oosterend | 4,354.85 mi (7,008.46 km) |
| Sioux Falls to Oosterhout | 4,371.42 mi (7,035.12 km) |
| Sioux Falls to Oosterwolde | 4,362.83 mi (7,021.29 km) |
| Sioux Falls to Oostzaan | 4,339.32 mi (6,983.45 km) |
| Sioux Falls to Opmeer | 4,330.46 mi (6,969.21 km) |
| Sioux Falls to Oss | 4,388.63 mi (7,062.82 km) |
| Sioux Falls to Oud-Beijerland | 4,348.59 mi (6,998.38 km) |
| Sioux Falls to Oudenbosch | 4,362.30 mi (7,020.44 km) |
