| Guilherand to Karlovo | 1,004.08 mi (1,615.92 km) |
| Guilherand to Karnobat | 1,110.69 mi (1,787.48 km) |
| Guilherand to Kavarna | 1,162.84 mi (1,871.42 km) |
| Guilherand to Kazanlak | 1,033.57 mi (1,663.37 km) |
| Guilherand to Knezha | 954.08 mi (1,535.45 km) |
| Guilherand to Kostinbrod | 923.13 mi (1,485.63 km) |
| Guilherand to Kozloduy | 932.88 mi (1,501.33 km) |
| Guilherand to Kyustendil | 907.60 mi (1,460.63 km) |
| Guilherand to Levski | 1,007.49 mi (1,621.40 km) |
| Guilherand to Lom | 908.07 mi (1,461.40 km) |
| Guilherand to Lovech | 990.91 mi (1,594.72 km) |
| Guilherand to Lukovit | 962.90 mi (1,549.64 km) |
| Guilherand to Lyaskovets | 1,040.39 mi (1,674.34 km) |
| Guilherand to Mezdra | 940.91 mi (1,514.24 km) |
| Guilherand to Momchilgrad | 1,057.34 mi (1,701.62 km) |
