| Caldas de Reyes to Kluczbork | 1,385.86 mi (2,230.33 km) |
| Caldas de Reyes to Knurow | 1,393.99 mi (2,243.41 km) |
| Caldas de Reyes to Kobylka | 1,532.65 mi (2,466.56 km) |
| Caldas de Reyes to Kokoszki | 1,470.01 mi (2,365.75 km) |
| Caldas de Reyes to Kolbuszowa | 1,528.58 mi (2,460.01 km) |
| Caldas de Reyes to Kolno | 1,581.37 mi (2,544.97 km) |
| Caldas de Reyes to Kolo | 1,425.59 mi (2,294.27 km) |
| Caldas de Reyes to Kolobrzeg | 1,357.68 mi (2,184.98 km) |
| Caldas de Reyes to Koluszki | 1,465.09 mi (2,357.84 km) |
| Caldas de Reyes to Komorniki | 1,349.31 mi (2,171.50 km) |
| Caldas de Reyes to Konin | 1,411.10 mi (2,270.94 km) |
| Caldas de Reyes to Konskie | 1,482.23 mi (2,385.41 km) |
| Caldas de Reyes to Konstancin-Jeziorna | 1,525.10 mi (2,454.41 km) |
| Caldas de Reyes to Konstantynow Lodzki | 1,445.77 mi (2,326.74 km) |
| Caldas de Reyes to Koronowo | 1,422.61 mi (2,289.47 km) |
