| Harwich to Dabrowa Gornicza | 783.00 mi (1,260.11 km) |
| Harwich to Dabrowa Tarnowska | 862.35 mi (1,387.81 km) |
| Harwich to Darlowo | 648.79 mi (1,044.12 km) |
| Harwich to Debica | 883.03 mi (1,421.10 km) |
| Harwich to Deblin | 878.39 mi (1,413.63 km) |
| Harwich to Debno | 569.03 mi (915.77 km) |
| Harwich to Dobre Miasto | 806.12 mi (1,297.33 km) |
| Harwich to Drawsko Pomorskie | 616.89 mi (992.78 km) |
| Harwich to Drezdenko | 616.40 mi (992.00 km) |
| Harwich to Dzialdowo | 796.86 mi (1,282.42 km) |
| Harwich to Dzierzoniow | 668.11 mi (1,075.23 km) |
| Harwich to Elblag | 766.53 mi (1,233.61 km) |
| Harwich to Elk | 885.92 mi (1,425.76 km) |
| Harwich to Garwolin | 865.15 mi (1,392.33 km) |
| Harwich to Gdansk | 737.29 mi (1,186.56 km) |
