| Sioux City to Montana | 5,423.13 mi (8,727.69 km) |
| Sioux City to Nova Zagora | 5,562.41 mi (8,951.83 km) |
| Sioux City to Novi Iskar | 5,459.14 mi (8,785.64 km) |
| Sioux City to Novi Pazar | 5,553.80 mi (8,937.97 km) |
| Sioux City to Omurtag | 5,542.59 mi (8,919.94 km) |
| Sioux City to Panagyurishte | 5,502.39 mi (8,855.24 km) |
| Sioux City to Parvomay | 5,557.46 mi (8,943.86 km) |
| Sioux City to Pavlikeni | 5,500.01 mi (8,851.40 km) |
| Sioux City to Pazardzhik | 5,523.18 mi (8,888.69 km) |
| Sioux City to Pernik | 5,459.10 mi (8,785.58 km) |
| Sioux City to Peshtera | 5,530.89 mi (8,901.11 km) |
| Sioux City to Petrich | 5,527.99 mi (8,896.44 km) |
| Sioux City to Pleven | 5,468.67 mi (8,800.97 km) |
| Sioux City to Plovdiv | 5,539.53 mi (8,915.00 km) |
| Sioux City to Pomorie | 5,609.22 mi (9,027.17 km) |
