| Longford to Karis | 1,251.04 mi (2,013.36 km) |
| Longford to Karkkila | 1,273.71 mi (2,049.84 km) |
| Longford to Kauhajoki | 1,233.51 mi (1,985.14 km) |
| Longford to Kauhava | 1,273.06 mi (2,048.79 km) |
| Longford to Kauniainen | 1,288.74 mi (2,074.03 km) |
| Longford to Kemi | 1,374.24 mi (2,211.62 km) |
| Longford to Kemijarvi | 1,473.01 mi (2,370.57 km) |
| Longford to Kempele | 1,380.66 mi (2,221.96 km) |
| Longford to Kerava | 1,302.53 mi (2,096.22 km) |
| Longford to Keuruu | 1,309.54 mi (2,107.49 km) |
| Longford to Kiiminki | 1,392.82 mi (2,241.52 km) |
| Longford to Kirkkonummi | 1,277.21 mi (2,055.48 km) |
| Longford to Kitee | 1,480.80 mi (2,383.12 km) |
| Longford to Kiuruvesi | 1,389.03 mi (2,235.42 km) |
| Longford to Kivisto | 1,293.32 mi (2,081.40 km) |
