| South Sioux City to Klaukkala | 4,596.90 mi (7,397.99 km) |
| South Sioux City to Kokkola | 4,390.35 mi (7,065.59 km) |
| South Sioux City to Kontiolahti | 4,586.73 mi (7,381.63 km) |
| South Sioux City to Korsholm | 4,392.56 mi (7,069.14 km) |
| South Sioux City to Kotka | 4,643.32 mi (7,472.70 km) |
| South Sioux City to Kouvola | 4,617.35 mi (7,430.91 km) |
| South Sioux City to Kuhmo | 4,508.97 mi (7,256.48 km) |
| South Sioux City to Kuopio | 4,534.98 mi (7,298.35 km) |
| South Sioux City to Kurikka | 4,432.69 mi (7,133.72 km) |
| South Sioux City to Kuusamo | 4,407.28 mi (7,092.83 km) |
| South Sioux City to Kuusankoski | 4,613.47 mi (7,424.67 km) |
| South Sioux City to Lahti | 4,587.52 mi (7,382.91 km) |
| South Sioux City to Laitila | 4,499.66 mi (7,241.50 km) |
| South Sioux City to Lapinlahti | 4,504.55 mi (7,249.37 km) |
| South Sioux City to Lappeenranta | 4,640.12 mi (7,467.55 km) |
