| Donostia to Kecskemet | 1,081.50 mi (1,740.51 km) |
| Donostia to Kerepestarcsa | 1,066.79 mi (1,716.83 km) |
| Donostia to Keszthely | 965.77 mi (1,554.25 km) |
| Donostia to Kiskoros | 1,060.64 mi (1,706.94 km) |
| Donostia to Kiskunfelegyhaza | 1,087.87 mi (1,750.76 km) |
| Donostia to Kiskunhalas | 1,069.37 mi (1,720.99 km) |
| Donostia to Kiskunlachaza | 1,052.19 mi (1,693.33 km) |
| Donostia to Kiskunmajsa | 1,081.45 mi (1,740.43 km) |
| Donostia to Kisujszallas | 1,133.98 mi (1,824.97 km) |
| Donostia to Kisvarda | 1,202.47 mi (1,935.19 km) |
| Donostia to Komarom | 1,016.51 mi (1,635.92 km) |
| Donostia to Komlo | 1,009.82 mi (1,625.14 km) |
| Donostia to Kormend | 938.10 mi (1,509.72 km) |
| Donostia to Koszeg | 939.96 mi (1,512.73 km) |
| Donostia to Lajosmizse | 1,076.12 mi (1,731.85 km) |
