| Santander to Karditsa | 1,356.74 mi (2,183.46 km) |
| Santander to Kastoria | 1,298.47 mi (2,089.69 km) |
| Santander to Katerini | 1,365.55 mi (2,197.65 km) |
| Santander to Keratsini | 1,478.02 mi (2,378.64 km) |
| Santander to Kerkyra | 1,250.75 mi (2,012.89 km) |
| Santander to Kiato | 1,433.54 mi (2,307.05 km) |
| Santander to Kifisia | 1,484.80 mi (2,389.56 km) |
| Santander to Kilkis | 1,369.45 mi (2,203.91 km) |
| Santander to Komotini | 1,494.92 mi (2,405.85 km) |
| Santander to Korinthos | 1,444.40 mi (2,324.53 km) |
| Santander to Koropi | 1,492.67 mi (2,402.23 km) |
| Santander to Korydallos | 1,479.22 mi (2,380.58 km) |
| Santander to Kos | 1,690.61 mi (2,720.78 km) |
| Santander to Kozani | 1,328.91 mi (2,138.67 km) |
| Santander to Lagos | 1,475.96 mi (2,375.32 km) |
