| Tortosa to Karlovo | 1,254.34 mi (2,018.67 km) |
| Tortosa to Karnobat | 1,364.82 mi (2,196.47 km) |
| Tortosa to Kavarna | 1,430.00 mi (2,301.37 km) |
| Tortosa to Kazanlak | 1,284.53 mi (2,067.25 km) |
| Tortosa to Knezha | 1,216.86 mi (1,958.35 km) |
| Tortosa to Kostinbrod | 1,173.30 mi (1,888.24 km) |
| Tortosa to Kozloduy | 1,199.79 mi (1,930.87 km) |
| Tortosa to Kyustendil | 1,147.23 mi (1,846.30 km) |
| Tortosa to Levski | 1,269.53 mi (2,043.11 km) |
| Tortosa to Lom | 1,175.18 mi (1,891.28 km) |
| Tortosa to Lovech | 1,248.79 mi (2,009.73 km) |
| Tortosa to Lukovit | 1,221.00 mi (1,965.00 km) |
| Tortosa to Lyaskovets | 1,299.24 mi (2,090.92 km) |
| Tortosa to Mezdra | 1,197.50 mi (1,927.19 km) |
| Tortosa to Momchilgrad | 1,291.25 mi (2,078.07 km) |
