| Vianen to Karlovo | 1,120.52 mi (1,803.31 km) |
| Vianen to Karnobat | 1,204.54 mi (1,938.52 km) |
| Vianen to Kavarna | 1,223.52 mi (1,969.07 km) |
| Vianen to Kazanlak | 1,144.26 mi (1,841.51 km) |
| Vianen to Knezha | 1,054.06 mi (1,696.35 km) |
| Vianen to Kostinbrod | 1,052.99 mi (1,694.63 km) |
| Vianen to Kozloduy | 1,028.06 mi (1,654.50 km) |
| Vianen to Kyustendil | 1,059.27 mi (1,704.72 km) |
| Vianen to Levski | 1,100.30 mi (1,770.77 km) |
| Vianen to Lom | 1,007.28 mi (1,621.07 km) |
| Vianen to Lovech | 1,094.68 mi (1,761.72 km) |
| Vianen to Lukovit | 1,070.77 mi (1,723.24 km) |
| Vianen to Lyaskovets | 1,134.66 mi (1,826.06 km) |
| Vianen to Mezdra | 1,055.44 mi (1,698.56 km) |
| Vianen to Momchilgrad | 1,195.71 mi (1,924.30 km) |
