| Viana do Castelo to Devnya | 1,843.77 mi (2,967.26 km) |
| Viana do Castelo to Dimitrovgrad | 1,759.55 mi (2,831.73 km) |
| Viana do Castelo to Dobrich | 1,853.16 mi (2,982.37 km) |
| Viana do Castelo to Dospat | 1,692.48 mi (2,723.78 km) |
| Viana do Castelo to Dupnitsa | 1,631.84 mi (2,626.19 km) |
| Viana do Castelo to Elhovo | 1,806.66 mi (2,907.54 km) |
| Viana do Castelo to Etropole | 1,669.97 mi (2,687.55 km) |
| Viana do Castelo to Gabrovo | 1,736.34 mi (2,794.37 km) |
| Viana do Castelo to Gorna Oryahovitsa | 1,751.79 mi (2,819.24 km) |
| Viana do Castelo to Gotse Delchev | 1,671.64 mi (2,690.25 km) |
| Viana do Castelo to Harmanli | 1,776.22 mi (2,858.56 km) |
| Viana do Castelo to Haskovo | 1,759.42 mi (2,831.51 km) |
| Viana do Castelo to Ihtiman | 1,665.03 mi (2,679.61 km) |
| Viana do Castelo to Isperih | 1,802.18 mi (2,900.33 km) |
| Viana do Castelo to Kardzhali | 1,753.19 mi (2,821.49 km) |
