| Sioux Falls to Oerlinghausen | 4,485.06 mi (7,218.01 km) |
| Sioux Falls to Oestrich-Winkel | 4,549.44 mi (7,321.61 km) |
| Sioux Falls to Offenburg | 4,615.28 mi (7,427.57 km) |
| Sioux Falls to Oftersheim | 4,597.43 mi (7,398.85 km) |
| Sioux Falls to Ohrdruf | 4,603.86 mi (7,409.20 km) |
| Sioux Falls to Ohringen | 4,636.41 mi (7,461.58 km) |
| Sioux Falls to Olbernhau | 4,695.90 mi (7,557.32 km) |
| Sioux Falls to Olching | 4,744.23 mi (7,635.10 km) |
| Sioux Falls to Oldenburg | 4,418.97 mi (7,111.64 km) |
| Sioux Falls to Oldenburg in Holstein | 4,452.61 mi (7,165.78 km) |
| Sioux Falls to Olfen | 4,453.49 mi (7,167.19 km) |
| Sioux Falls to Olpe | 4,499.04 mi (7,240.51 km) |
| Sioux Falls to Olsberg | 4,506.13 mi (7,251.92 km) |
| Sioux Falls to Oranienburg | 4,595.62 mi (7,395.93 km) |
| Sioux Falls to Ortenberg | 4,569.37 mi (7,353.69 km) |
