| Carlow to Kobarid | 1,021.08 mi (1,643.28 km) |
| Carlow to Kobilje | 1,118.21 mi (1,799.59 km) |
| Carlow to Kocevje | 1,095.43 mi (1,762.93 km) |
| Carlow to Komen | 1,044.76 mi (1,681.39 km) |
| Carlow to Komenda | 1,060.83 mi (1,707.23 km) |
| Carlow to Koper | 1,054.75 mi (1,697.46 km) |
| Carlow to Kostanjevica na Krki | 1,110.03 mi (1,786.41 km) |
| Carlow to Kostel | 1,102.76 mi (1,774.71 km) |
| Carlow to Kozje | 1,106.72 mi (1,781.09 km) |
| Carlow to Kranj | 1,052.96 mi (1,694.57 km) |
| Carlow to Kranjska Gora | 1,020.30 mi (1,642.01 km) |
| Carlow to Krizevci | 1,112.14 mi (1,789.82 km) |
| Carlow to Krsko | 1,108.39 mi (1,783.78 km) |
| Carlow to Kuzma | 1,100.24 mi (1,770.66 km) |
| Carlow to Lasko | 1,090.76 mi (1,755.40 km) |
