| Difficult Run to Dabrowa Gornicza | 4,472.88 mi (7,198.41 km) |
| Difficult Run to Dabrowa Tarnowska | 4,545.95 mi (7,315.99 km) |
| Difficult Run to Darlowo | 4,231.55 mi (6,810.03 km) |
| Difficult Run to Debica | 4,566.47 mi (7,349.03 km) |
| Difficult Run to Deblin | 4,526.42 mi (7,284.57 km) |
| Difficult Run to Debno | 4,223.18 mi (6,796.55 km) |
| Difficult Run to Dobre Miasto | 4,386.87 mi (7,059.99 km) |
| Difficult Run to Drawsko Pomorskie | 4,238.08 mi (6,820.53 km) |
| Difficult Run to Drezdenko | 4,261.90 mi (6,858.87 km) |
| Difficult Run to Dzialdowo | 4,405.88 mi (7,090.59 km) |
| Difficult Run to Dzierzoniow | 4,362.57 mi (7,020.88 km) |
| Difficult Run to Elblag | 4,345.74 mi (6,993.80 km) |
| Difficult Run to Elk | 4,461.30 mi (7,179.76 km) |
| Difficult Run to Garwolin | 4,505.87 mi (7,251.49 km) |
| Difficult Run to Gdansk | 4,313.08 mi (6,941.23 km) |
