| Difficult Run to Kingswinford | 3,574.17 mi (5,752.07 km) |
| Difficult Run to Kingswood | 3,581.19 mi (5,763.37 km) |
| Difficult Run to Kippax | 3,581.05 mi (5,763.15 km) |
| Difficult Run to Kirk of Shotts | 3,451.59 mi (5,554.79 km) |
| Difficult Run to Kirkby | 3,526.52 mi (5,675.38 km) |
| Difficult Run to Kirkby in Ashfield | 3,599.09 mi (5,792.18 km) |
| Difficult Run to Kirkcaldy | 3,471.11 mi (5,586.22 km) |
| Difficult Run to Kirkintilloch | 3,436.57 mi (5,530.63 km) |
| Difficult Run to Kirkstall | 3,571.03 mi (5,747.02 km) |
| Difficult Run to Kirkwall | 3,437.44 mi (5,532.03 km) |
| Difficult Run to Knaresborough | 3,572.66 mi (5,749.64 km) |
| Difficult Run to Knottingley | 3,587.01 mi (5,772.74 km) |
| Difficult Run to Knowle | 3,593.86 mi (5,783.76 km) |
| Difficult Run to Knowsley | 3,528.66 mi (5,678.82 km) |
| Difficult Run to Knutsford | 3,550.42 mi (5,713.85 km) |
