| Sioux Falls to Devnya | 5,525.99 mi (8,893.22 km) |
| Sioux Falls to Dimitrovgrad | 5,528.05 mi (8,896.54 km) |
| Sioux Falls to Dobrich | 5,514.90 mi (8,875.38 km) |
| Sioux Falls to Dospat | 5,503.31 mi (8,856.73 km) |
| Sioux Falls to Dupnitsa | 5,436.25 mi (8,748.81 km) |
| Sioux Falls to Elhovo | 5,552.35 mi (8,935.64 km) |
| Sioux Falls to Etropole | 5,434.67 mi (8,746.26 km) |
| Sioux Falls to Gabrovo | 5,475.46 mi (8,811.90 km) |
| Sioux Falls to Gorna Oryahovitsa | 5,472.63 mi (8,807.35 km) |
| Sioux Falls to Gotse Delchev | 5,493.57 mi (8,841.05 km) |
| Sioux Falls to Harmanli | 5,543.93 mi (8,922.10 km) |
| Sioux Falls to Haskovo | 5,533.30 mi (8,904.99 km) |
| Sioux Falls to Ihtiman | 5,449.85 mi (8,770.69 km) |
| Sioux Falls to Isperih | 5,476.16 mi (8,813.03 km) |
| Sioux Falls to Kardzhali | 5,542.20 mi (8,919.31 km) |
