| Carlow to Karis | 1,256.33 mi (2,021.87 km) |
| Carlow to Karkkila | 1,280.65 mi (2,061.01 km) |
| Carlow to Kauhajoki | 1,248.61 mi (2,009.44 km) |
| Carlow to Kauhava | 1,290.17 mi (2,076.32 km) |
| Carlow to Kauniainen | 1,294.32 mi (2,083.00 km) |
| Carlow to Kemi | 1,399.45 mi (2,252.20 km) |
| Carlow to Kemijarvi | 1,499.77 mi (2,413.64 km) |
| Carlow to Kempele | 1,402.75 mi (2,257.51 km) |
| Carlow to Kerava | 1,308.71 mi (2,106.17 km) |
| Carlow to Keuruu | 1,322.80 mi (2,128.85 km) |
| Carlow to Kiiminki | 1,415.49 mi (2,278.01 km) |
| Carlow to Kirkkonummi | 1,282.48 mi (2,063.95 km) |
| Carlow to Kitee | 1,491.94 mi (2,401.04 km) |
| Carlow to Kiuruvesi | 1,406.43 mi (2,263.42 km) |
| Carlow to Kivisto | 1,299.28 mi (2,090.99 km) |
