| Zarautz to Karlovo | 1,358.63 mi (2,186.50 km) |
| Zarautz to Karnobat | 1,467.18 mi (2,361.20 km) |
| Zarautz to Kavarna | 1,523.59 mi (2,451.98 km) |
| Zarautz to Kazanlak | 1,388.55 mi (2,234.65 km) |
| Zarautz to Knezha | 1,312.56 mi (2,112.36 km) |
| Zarautz to Kostinbrod | 1,277.08 mi (2,055.27 km) |
| Zarautz to Kozloduy | 1,292.51 mi (2,080.09 km) |
| Zarautz to Kyustendil | 1,257.38 mi (2,023.55 km) |
| Zarautz to Levski | 1,366.03 mi (2,198.41 km) |
| Zarautz to Lom | 1,267.62 mi (2,040.03 km) |
| Zarautz to Lovech | 1,348.01 mi (2,169.42 km) |
| Zarautz to Lukovit | 1,319.91 mi (2,124.18 km) |
| Zarautz to Lyaskovets | 1,398.08 mi (2,249.99 km) |
| Zarautz to Mezdra | 1,297.26 mi (2,087.74 km) |
| Zarautz to Momchilgrad | 1,405.95 mi (2,262.66 km) |
