| Waltham Cross to Kluczbork | 787.23 mi (1,266.93 km) |
| Waltham Cross to Knurow | 818.68 mi (1,317.54 km) |
| Waltham Cross to Kobylka | 900.88 mi (1,449.83 km) |
| Waltham Cross to Kokoszki | 789.17 mi (1,270.05 km) |
| Waltham Cross to Kolbuszowa | 950.14 mi (1,529.10 km) |
| Waltham Cross to Kolno | 926.85 mi (1,491.62 km) |
| Waltham Cross to Kolo | 793.64 mi (1,277.23 km) |
| Waltham Cross to Kolobrzeg | 670.92 mi (1,079.74 km) |
| Waltham Cross to Koluszki | 846.36 mi (1,362.08 km) |
| Waltham Cross to Komorniki | 711.71 mi (1,145.39 km) |
| Waltham Cross to Konin | 778.07 mi (1,252.19 km) |
| Waltham Cross to Konskie | 878.44 mi (1,413.70 km) |
| Waltham Cross to Konstancin-Jeziorna | 899.21 mi (1,447.14 km) |
| Waltham Cross to Konstantynow Lodzki | 826.56 mi (1,330.22 km) |
| Waltham Cross to Koronowo | 761.93 mi (1,226.21 km) |
