| Sioux City to Karlskoga | 4,384.48 mi (7,056.14 km) |
| Sioux City to Karlskrona | 4,557.06 mi (7,333.87 km) |
| Sioux City to Karlstad | 4,354.91 mi (7,008.56 km) |
| Sioux City to Katrineholm | 4,444.84 mi (7,153.27 km) |
| Sioux City to Kavlinge | 4,501.20 mi (7,243.98 km) |
| Sioux City to Kinna | 4,412.81 mi (7,101.74 km) |
| Sioux City to Kiruna | 4,141.97 mi (6,665.85 km) |
| Sioux City to Klippansbruk | 4,487.96 mi (7,222.68 km) |
| Sioux City to Koping | 4,415.72 mi (7,106.42 km) |
| Sioux City to Kristianstad | 4,520.61 mi (7,275.21 km) |
| Sioux City to Kristinehamn | 4,375.06 mi (7,040.99 km) |
| Sioux City to Kumla | 4,410.80 mi (7,098.50 km) |
| Sioux City to Kungalv | 4,377.04 mi (7,044.16 km) |
| Sioux City to Kungsangen | 4,463.83 mi (7,183.85 km) |
| Sioux City to Kungsbacka | 4,396.44 mi (7,075.39 km) |
