| Tordesillas to Karlovo | 1,522.88 mi (2,450.84 km) |
| Tordesillas to Karnobat | 1,632.58 mi (2,627.38 km) |
| Tordesillas to Kavarna | 1,692.82 mi (2,724.34 km) |
| Tordesillas to Kazanlak | 1,553.00 mi (2,499.32 km) |
| Tordesillas to Knezha | 1,480.38 mi (2,382.44 km) |
| Tordesillas to Kostinbrod | 1,441.32 mi (2,319.58 km) |
| Tordesillas to Kozloduy | 1,461.47 mi (2,352.01 km) |
| Tordesillas to Kyustendil | 1,418.60 mi (2,283.02 km) |
| Tordesillas to Levski | 1,533.67 mi (2,468.21 km) |
| Tordesillas to Lom | 1,436.61 mi (2,312.00 km) |
| Tordesillas to Lovech | 1,514.46 mi (2,437.28 km) |
| Tordesillas to Lukovit | 1,486.40 mi (2,392.14 km) |
| Tordesillas to Lyaskovets | 1,564.83 mi (2,518.35 km) |
| Tordesillas to Mezdra | 1,463.32 mi (2,354.99 km) |
| Tordesillas to Momchilgrad | 1,565.36 mi (2,519.20 km) |
