| Louth to Karis | 1,002.28 mi (1,613.02 km) |
| Louth to Karkkila | 1,029.96 mi (1,657.56 km) |
| Louth to Kauhajoki | 1,018.82 mi (1,639.63 km) |
| Louth to Kauhava | 1,065.29 mi (1,714.43 km) |
| Louth to Kauniainen | 1,040.46 mi (1,674.46 km) |
| Louth to Kemi | 1,197.64 mi (1,927.42 km) |
| Louth to Kemijarvi | 1,301.47 mi (2,094.51 km) |
| Louth to Kempele | 1,190.89 mi (1,916.55 km) |
| Louth to Kerava | 1,056.03 mi (1,699.51 km) |
| Louth to Keuruu | 1,086.95 mi (1,749.28 km) |
| Louth to Kiiminki | 1,205.24 mi (1,939.65 km) |
| Louth to Kirkkonummi | 1,028.09 mi (1,654.55 km) |
| Louth to Kitee | 1,248.76 mi (2,009.69 km) |
| Louth to Kiuruvesi | 1,180.62 mi (1,900.02 km) |
| Louth to Kivisto | 1,046.20 mi (1,683.69 km) |
