| Gloucester to Kluczbork | 880.72 mi (1,417.38 km) |
| Gloucester to Knurow | 913.06 mi (1,469.43 km) |
| Gloucester to Kobylka | 991.25 mi (1,595.26 km) |
| Gloucester to Kokoszki | 873.70 mi (1,406.09 km) |
| Gloucester to Kolbuszowa | 1,043.90 mi (1,680.00 km) |
| Gloucester to Kolno | 1,014.46 mi (1,632.62 km) |
| Gloucester to Kolo | 884.69 mi (1,423.77 km) |
| Gloucester to Kolobrzeg | 755.50 mi (1,215.87 km) |
| Gloucester to Koluszki | 938.19 mi (1,509.87 km) |
| Gloucester to Komorniki | 802.86 mi (1,292.08 km) |
| Gloucester to Konin | 869.14 mi (1,398.75 km) |
| Gloucester to Konskie | 971.14 mi (1,562.91 km) |
| Gloucester to Konstancin-Jeziorna | 990.13 mi (1,593.47 km) |
| Gloucester to Konstantynow Lodzki | 918.48 mi (1,478.14 km) |
| Gloucester to Koronowo | 849.99 mi (1,367.92 km) |
