| Balvi to Karlovo | 1,006.86 mi (1,620.39 km) |
| Balvi to Karnobat | 1,001.92 mi (1,612.44 km) |
| Balvi to Kavarna | 947.75 mi (1,525.26 km) |
| Balvi to Kazanlak | 1,006.28 mi (1,619.45 km) |
| Balvi to Knezha | 952.01 mi (1,532.12 km) |
| Balvi to Kostinbrod | 1,004.84 mi (1,617.14 km) |
| Balvi to Kozloduy | 934.96 mi (1,504.67 km) |
| Balvi to Kyustendil | 1,045.54 mi (1,682.64 km) |
| Balvi to Levski | 955.65 mi (1,537.97 km) |
| Balvi to Lom | 935.84 mi (1,506.08 km) |
| Balvi to Lovech | 973.52 mi (1,566.73 km) |
| Balvi to Lukovit | 972.07 mi (1,564.39 km) |
| Balvi to Lyaskovets | 971.92 mi (1,564.16 km) |
| Balvi to Mezdra | 978.52 mi (1,574.78 km) |
| Balvi to Momchilgrad | 1,080.91 mi (1,739.56 km) |
