| Welwyn Garden City to Dabrowa Gornicza | 845.22 mi (1,360.25 km) |
| Welwyn Garden City to Dabrowa Tarnowska | 924.67 mi (1,488.12 km) |
| Welwyn Garden City to Darlowo | 710.00 mi (1,142.63 km) |
| Welwyn Garden City to Debica | 945.33 mi (1,521.36 km) |
| Welwyn Garden City to Deblin | 941.25 mi (1,514.80 km) |
| Welwyn Garden City to Debno | 631.81 mi (1,016.79 km) |
| Welwyn Garden City to Dobre Miasto | 868.08 mi (1,397.03 km) |
| Welwyn Garden City to Drawsko Pomorskie | 679.13 mi (1,092.95 km) |
| Welwyn Garden City to Drezdenko | 679.13 mi (1,092.96 km) |
| Welwyn Garden City to Dzialdowo | 859.36 mi (1,383.01 km) |
| Welwyn Garden City to Dzierzoniow | 730.34 mi (1,175.37 km) |
| Welwyn Garden City to Elblag | 828.28 mi (1,332.99 km) |
| Welwyn Garden City to Elk | 948.03 mi (1,525.70 km) |
| Welwyn Garden City to Garwolin | 928.02 mi (1,493.51 km) |
| Welwyn Garden City to Gdansk | 798.81 mi (1,285.56 km) |
