| Santander to Kayapinar | 2,308.52 mi (3,715.20 km) |
| Santander to Kayseri | 2,052.66 mi (3,303.44 km) |
| Santander to Kemalpasa | 1,655.83 mi (2,664.81 km) |
| Santander to Kemer | 1,863.95 mi (2,999.73 km) |
| Santander to Keskin | 1,935.44 mi (3,114.78 km) |
| Santander to Kilimli | 1,807.49 mi (2,908.87 km) |
| Santander to Kilis | 2,189.72 mi (3,524.01 km) |
| Santander to Kinik | 1,637.03 mi (2,634.55 km) |
| Santander to Kirikkale | 1,926.48 mi (3,100.37 km) |
| Santander to Kirkagac | 1,651.50 mi (2,657.83 km) |
| Santander to Kirklareli | 1,573.57 mi (2,532.42 km) |
| Santander to Kirsehir | 1,975.60 mi (3,179.43 km) |
| Santander to Kizilpinar | 1,619.17 mi (2,605.81 km) |
| Santander to Kiziltepe | 2,349.47 mi (3,781.11 km) |
| Santander to Kocaali | 1,767.12 mi (2,843.91 km) |
