| Downham Market to Kluczbork | 767.95 mi (1,235.90 km) |
| Downham Market to Knurow | 803.09 mi (1,292.45 km) |
| Downham Market to Kobylka | 873.11 mi (1,405.14 km) |
| Downham Market to Kokoszki | 751.98 mi (1,210.20 km) |
| Downham Market to Kolbuszowa | 931.57 mi (1,499.22 km) |
| Downham Market to Kolno | 894.04 mi (1,438.83 km) |
| Downham Market to Kolo | 767.52 mi (1,235.21 km) |
| Downham Market to Kolobrzeg | 633.88 mi (1,020.14 km) |
| Downham Market to Koluszki | 822.03 mi (1,322.92 km) |
| Downham Market to Komorniki | 685.98 mi (1,103.98 km) |
| Downham Market to Konin | 752.02 mi (1,210.26 km) |
| Downham Market to Konskie | 856.45 mi (1,378.33 km) |
| Downham Market to Konstancin-Jeziorna | 872.64 mi (1,404.38 km) |
| Downham Market to Konstantynow Lodzki | 802.48 mi (1,291.46 km) |
| Downham Market to Koronowo | 730.01 mi (1,174.83 km) |
