| Vianden to Karlovo | 1,016.93 mi (1,636.59 km) |
| Vianden to Karnobat | 1,107.80 mi (1,782.82 km) |
| Vianden to Kavarna | 1,135.43 mi (1,827.29 km) |
| Vianden to Kazanlak | 1,042.44 mi (1,677.65 km) |
| Vianden to Knezha | 953.03 mi (1,533.75 km) |
| Vianden to Kostinbrod | 945.02 mi (1,520.86 km) |
| Vianden to Kozloduy | 927.60 mi (1,492.83 km) |
| Vianden to Kyustendil | 946.63 mi (1,523.46 km) |
| Vianden to Levski | 1,001.94 mi (1,612.47 km) |
| Vianden to Lom | 905.39 mi (1,457.08 km) |
| Vianden to Lovech | 993.57 mi (1,599.00 km) |
| Vianden to Lukovit | 968.22 mi (1,558.20 km) |
| Vianden to Lyaskovets | 1,036.60 mi (1,668.24 km) |
| Vianden to Mezdra | 951.01 mi (1,530.51 km) |
| Vianden to Momchilgrad | 1,088.37 mi (1,751.57 km) |
