| Natchitoches to Kluczbork | 5,364.58 mi (8,633.45 km) |
| Natchitoches to Knurow | 5,412.28 mi (8,710.22 km) |
| Natchitoches to Kobylka | 5,411.29 mi (8,708.64 km) |
| Natchitoches to Kokoszki | 5,238.45 mi (8,430.47 km) |
| Natchitoches to Kolbuszowa | 5,519.26 mi (8,882.39 km) |
| Natchitoches to Kolno | 5,389.80 mi (8,674.05 km) |
| Natchitoches to Kolo | 5,329.87 mi (8,577.59 km) |
| Natchitoches to Kolobrzeg | 5,148.20 mi (8,285.23 km) |
| Natchitoches to Koluszki | 5,388.29 mi (8,671.61 km) |
| Natchitoches to Komorniki | 5,260.34 mi (8,465.70 km) |
| Natchitoches to Konin | 5,316.59 mi (8,556.23 km) |
| Natchitoches to Konskie | 5,432.36 mi (8,742.54 km) |
| Natchitoches to Konstancin-Jeziorna | 5,419.06 mi (8,721.13 km) |
| Natchitoches to Konstantynow Lodzki | 5,372.26 mi (8,645.82 km) |
| Natchitoches to Koronowo | 5,261.23 mi (8,467.12 km) |
