| Madrid to Kidricevo | 1,059.12 mi (1,704.48 km) |
| Madrid to Kobarid | 954.71 mi (1,536.46 km) |
| Madrid to Kobilje | 1,091.68 mi (1,756.89 km) |
| Madrid to Kocevje | 1,001.79 mi (1,612.22 km) |
| Madrid to Komen | 953.52 mi (1,534.54 km) |
| Madrid to Komenda | 997.59 mi (1,605.47 km) |
| Madrid to Koper | 947.56 mi (1,524.95 km) |
| Madrid to Kostanjevica na Krki | 1,031.70 mi (1,660.37 km) |
| Madrid to Kostel | 1,001.88 mi (1,612.37 km) |
| Madrid to Kozje | 1,041.95 mi (1,676.86 km) |
| Madrid to Kranj | 990.26 mi (1,593.67 km) |
| Madrid to Kranjska Gora | 969.52 mi (1,560.29 km) |
| Madrid to Krizevci | 1,077.73 mi (1,734.44 km) |
| Madrid to Krsko | 1,036.23 mi (1,667.65 km) |
| Madrid to Kuzma | 1,080.47 mi (1,738.85 km) |
