| Rutherglen to Karlovo | 1,576.33 mi (2,536.86 km) |
| Rutherglen to Karnobat | 1,655.35 mi (2,664.02 km) |
| Rutherglen to Kavarna | 1,667.09 mi (2,682.92 km) |
| Rutherglen to Kazanlak | 1,598.88 mi (2,573.15 km) |
| Rutherglen to Knezha | 1,508.71 mi (2,428.03 km) |
| Rutherglen to Kostinbrod | 1,511.37 mi (2,432.32 km) |
| Rutherglen to Kozloduy | 1,482.52 mi (2,385.88 km) |
| Rutherglen to Kyustendil | 1,519.53 mi (2,445.45 km) |
| Rutherglen to Levski | 1,552.94 mi (2,499.22 km) |
| Rutherglen to Lom | 1,462.72 mi (2,354.03 km) |
| Rutherglen to Lovech | 1,549.13 mi (2,493.09 km) |
| Rutherglen to Lukovit | 1,526.23 mi (2,456.23 km) |
| Rutherglen to Lyaskovets | 1,586.87 mi (2,553.82 km) |
| Rutherglen to Mezdra | 1,512.03 mi (2,433.37 km) |
| Rutherglen to Momchilgrad | 1,653.27 mi (2,660.68 km) |
