| Harwich to Devnya | 1,355.69 mi (2,181.78 km) |
| Harwich to Dimitrovgrad | 1,325.32 mi (2,132.89 km) |
| Harwich to Dobrich | 1,352.74 mi (2,177.03 km) |
| Harwich to Dospat | 1,286.95 mi (2,071.15 km) |
| Harwich to Dupnitsa | 1,218.43 mi (1,960.87 km) |
| Harwich to Elhovo | 1,358.81 mi (2,186.80 km) |
| Harwich to Etropole | 1,227.86 mi (1,976.05 km) |
| Harwich to Gabrovo | 1,279.54 mi (2,059.22 km) |
| Harwich to Gorna Oryahovitsa | 1,283.15 mi (2,065.03 km) |
| Harwich to Gotse Delchev | 1,274.02 mi (2,050.34 km) |
| Harwich to Harmanli | 1,342.34 mi (2,160.29 km) |
| Harwich to Haskovo | 1,329.12 mi (2,139.02 km) |
| Harwich to Ihtiman | 1,237.93 mi (1,992.25 km) |
| Harwich to Isperih | 1,305.73 mi (2,101.37 km) |
| Harwich to Kardzhali | 1,333.82 mi (2,146.58 km) |
