| Huelva to Devnya | 1,852.79 mi (2,981.77 km) |
| Huelva to Dimitrovgrad | 1,752.09 mi (2,819.71 km) |
| Huelva to Dobrich | 1,866.70 mi (3,004.17 km) |
| Huelva to Dospat | 1,678.30 mi (2,700.96 km) |
| Huelva to Dupnitsa | 1,625.30 mi (2,615.66 km) |
| Huelva to Elhovo | 1,801.61 mi (2,899.41 km) |
| Huelva to Etropole | 1,671.85 mi (2,690.59 km) |
| Huelva to Gabrovo | 1,739.43 mi (2,799.34 km) |
| Huelva to Gorna Oryahovitsa | 1,758.61 mi (2,830.20 km) |
| Huelva to Gotse Delchev | 1,655.90 mi (2,664.91 km) |
| Huelva to Harmanli | 1,767.53 mi (2,844.56 km) |
| Huelva to Haskovo | 1,750.39 mi (2,816.99 km) |
| Huelva to Ihtiman | 1,661.36 mi (2,673.69 km) |
| Huelva to Isperih | 1,817.10 mi (2,924.34 km) |
| Huelva to Kardzhali | 1,740.25 mi (2,800.66 km) |
