| Zarautz to Karditsa | 1,273.84 mi (2,050.05 km) |
| Zarautz to Kastoria | 1,216.05 mi (1,957.04 km) |
| Zarautz to Katerini | 1,283.16 mi (2,065.04 km) |
| Zarautz to Keratsini | 1,394.89 mi (2,244.86 km) |
| Zarautz to Kerkyra | 1,167.75 mi (1,879.31 km) |
| Zarautz to Kiato | 1,350.37 mi (2,173.22 km) |
| Zarautz to Kifisia | 1,401.71 mi (2,255.84 km) |
| Zarautz to Kilkis | 1,287.59 mi (2,072.17 km) |
| Zarautz to Komotini | 1,413.59 mi (2,274.95 km) |
| Zarautz to Korinthos | 1,361.23 mi (2,190.69 km) |
| Zarautz to Koropi | 1,409.55 mi (2,268.46 km) |
| Zarautz to Korydallos | 1,396.10 mi (2,246.81 km) |
| Zarautz to Kos | 1,607.52 mi (2,587.06 km) |
| Zarautz to Kozani | 1,246.43 mi (2,005.93 km) |
| Zarautz to Lagos | 1,394.53 mi (2,244.27 km) |
