| Sioux City to Forli | 4,995.02 mi (8,038.71 km) |
| Sioux City to Forlimpopoli | 5,000.40 mi (8,047.36 km) |
| Sioux City to Formello | 5,109.39 mi (8,222.77 km) |
| Sioux City to Formia | 5,193.76 mi (8,358.55 km) |
| Sioux City to Formigine | 4,936.91 mi (7,945.19 km) |
| Sioux City to Fossano | 4,821.03 mi (7,758.71 km) |
| Sioux City to Fossombrone | 5,048.04 mi (8,124.03 km) |
| Sioux City to Francavilla al Mare | 5,163.46 mi (8,309.78 km) |
| Sioux City to Francavilla Fontana | 5,375.43 mi (8,650.92 km) |
| Sioux City to Francofonte | 5,438.43 mi (8,752.30 km) |
| Sioux City to Frascati | 5,132.63 mi (8,260.17 km) |
| Sioux City to Frattamaggiore | 5,234.67 mi (8,424.39 km) |
| Sioux City to Frattaminore | 5,233.24 mi (8,422.09 km) |
| Sioux City to Frosinone | 5,166.21 mi (8,314.21 km) |
| Sioux City to Fucecchio | 4,972.52 mi (8,002.49 km) |
