| Letchworth to Dabrowa Gornicza | 846.72 mi (1,362.67 km) |
| Letchworth to Dabrowa Tarnowska | 926.04 mi (1,490.31 km) |
| Letchworth to Darlowo | 707.25 mi (1,138.21 km) |
| Letchworth to Debica | 946.73 mi (1,523.61 km) |
| Letchworth to Deblin | 941.29 mi (1,514.86 km) |
| Letchworth to Debno | 631.05 mi (1,015.58 km) |
| Letchworth to Dobre Miasto | 865.95 mi (1,393.62 km) |
| Letchworth to Drawsko Pomorskie | 677.38 mi (1,090.13 km) |
| Letchworth to Drezdenko | 678.24 mi (1,091.52 km) |
| Letchworth to Dzialdowo | 857.97 mi (1,380.76 km) |
| Letchworth to Dzierzoniow | 731.84 mi (1,177.78 km) |
| Letchworth to Elblag | 825.97 mi (1,329.27 km) |
| Letchworth to Elk | 946.06 mi (1,522.53 km) |
| Letchworth to Garwolin | 927.79 mi (1,493.13 km) |
| Letchworth to Gdansk | 796.29 mi (1,281.50 km) |
