| Longford to Knurow | 1,145.90 mi (1,844.15 km) |
| Longford to Kobylka | 1,200.42 mi (1,931.89 km) |
| Longford to Kokoszki | 1,061.39 mi (1,708.14 km) |
| Longford to Kolbuszowa | 1,271.06 mi (2,045.57 km) |
| Longford to Kolno | 1,211.28 mi (1,949.37 km) |
| Longford to Kolo | 1,098.67 mi (1,768.14 km) |
| Longford to Kolobrzeg | 946.61 mi (1,523.42 km) |
| Longford to Koluszki | 1,155.21 mi (1,859.13 km) |
| Longford to Komorniki | 1,018.67 mi (1,639.39 km) |
| Longford to Konin | 1,083.43 mi (1,743.61 km) |
| Longford to Konskie | 1,192.47 mi (1,919.10 km) |
| Longford to Konstancin-Jeziorna | 1,201.95 mi (1,934.35 km) |
| Longford to Konstantynow Lodzki | 1,136.18 mi (1,828.51 km) |
| Longford to Koronowo | 1,051.63 mi (1,692.44 km) |
| Longford to Koscian | 1,020.07 mi (1,641.64 km) |
