| Southend to Kluczbork | 756.04 mi (1,216.73 km) |
| Southend to Knurow | 786.85 mi (1,266.31 km) |
| Southend to Kobylka | 871.49 mi (1,402.53 km) |
| Southend to Kokoszki | 762.85 mi (1,227.69 km) |
| Southend to Kolbuszowa | 918.72 mi (1,478.54 km) |
| Southend to Kolno | 898.88 mi (1,446.61 km) |
| Southend to Kolo | 763.91 mi (1,229.40 km) |
| Southend to Kolobrzeg | 644.73 mi (1,037.58 km) |
| Southend to Koluszki | 816.16 mi (1,313.49 km) |
| Southend to Komorniki | 681.98 mi (1,097.54 km) |
| Southend to Konin | 748.35 mi (1,204.35 km) |
| Southend to Konskie | 847.71 mi (1,364.26 km) |
| Southend to Konstancin-Jeziorna | 869.52 mi (1,399.35 km) |
| Southend to Konstantynow Lodzki | 796.33 mi (1,281.57 km) |
| Southend to Koronowo | 733.86 mi (1,181.03 km) |
