| Darlington to Kluczbork | 858.90 mi (1,382.27 km) |
| Darlington to Knurow | 900.30 mi (1,448.89 km) |
| Darlington to Kobylka | 944.52 mi (1,520.05 km) |
| Darlington to Kokoszki | 802.75 mi (1,291.91 km) |
| Darlington to Kolbuszowa | 1,021.35 mi (1,643.70 km) |
| Darlington to Kolno | 953.18 mi (1,534.00 km) |
| Darlington to Kolo | 844.57 mi (1,359.21 km) |
| Darlington to Kolobrzeg | 688.46 mi (1,107.97 km) |
| Darlington to Koluszki | 901.83 mi (1,451.35 km) |
| Darlington to Komorniki | 765.70 mi (1,232.28 km) |
| Darlington to Konin | 829.51 mi (1,334.97 km) |
| Darlington to Konskie | 940.54 mi (1,513.65 km) |
| Darlington to Konstancin-Jeziorna | 946.73 mi (1,523.61 km) |
| Darlington to Konstantynow Lodzki | 883.15 mi (1,421.30 km) |
| Darlington to Koronowo | 794.66 mi (1,278.88 km) |
