| Donostia to Kucukkuyu | 1,496.43 mi (2,408.27 km) |
| Donostia to Kulp | 2,244.25 mi (3,611.77 km) |
| Donostia to Kulu | 1,832.08 mi (2,948.44 km) |
| Donostia to Kumcati | 2,337.72 mi (3,762.20 km) |
| Donostia to Kursunlu | 1,801.45 mi (2,899.15 km) |
| Donostia to Kurtalan | 2,294.19 mi (3,692.14 km) |
| Donostia to Kusadasi | 1,571.12 mi (2,528.47 km) |
| Donostia to Kutahya | 1,668.72 mi (2,685.54 km) |
| Donostia to Kuzuculu | 2,049.14 mi (3,297.78 km) |
| Donostia to Lapseki | 1,482.48 mi (2,385.83 km) |
| Donostia to Lice | 2,227.54 mi (3,584.88 km) |
| Donostia to Luleburgaz | 1,495.81 mi (2,407.28 km) |
| Donostia to Macka | 2,118.43 mi (3,409.29 km) |
| Donostia to Malatya | 2,113.59 mi (3,401.49 km) |
| Donostia to Malkara | 1,482.60 mi (2,386.01 km) |
