| Longford to Kalisz | 1,084.91 mi (1,745.99 km) |
| Longford to Kamien Pomorski | 916.29 mi (1,474.63 km) |
| Longford to Kamienna Gora | 1,023.21 mi (1,646.70 km) |
| Longford to Karczew | 1,207.37 mi (1,943.07 km) |
| Longford to Kartuzy | 1,049.98 mi (1,689.78 km) |
| Longford to Katowice | 1,158.21 mi (1,863.96 km) |
| Longford to Kedzierzyn-Kozle | 1,122.67 mi (1,806.76 km) |
| Longford to Kepno | 1,091.19 mi (1,756.10 km) |
| Longford to Ketrzyn | 1,179.69 mi (1,898.52 km) |
| Longford to Kety | 1,176.21 mi (1,892.93 km) |
| Longford to Kielce | 1,209.01 mi (1,945.71 km) |
| Longford to Kielczow | 1,061.54 mi (1,708.38 km) |
| Longford to Klobuck | 1,138.52 mi (1,832.27 km) |
| Longford to Klodzko | 1,057.19 mi (1,701.38 km) |
| Longford to Kluczbork | 1,107.65 mi (1,782.59 km) |
