| Tudela de Duero to Karlovo | 1,500.41 mi (2,414.68 km) |
| Tudela de Duero to Karnobat | 1,610.10 mi (2,591.21 km) |
| Tudela de Duero to Kavarna | 1,670.34 mi (2,688.15 km) |
| Tudela de Duero to Kazanlak | 1,530.53 mi (2,463.16 km) |
| Tudela de Duero to Knezha | 1,457.89 mi (2,346.25 km) |
| Tudela de Duero to Kostinbrod | 1,418.85 mi (2,283.41 km) |
| Tudela de Duero to Kozloduy | 1,438.98 mi (2,315.82 km) |
| Tudela de Duero to Kyustendil | 1,396.16 mi (2,246.91 km) |
| Tudela de Duero to Levski | 1,511.19 mi (2,432.02 km) |
| Tudela de Duero to Lom | 1,414.13 mi (2,275.82 km) |
| Tudela de Duero to Lovech | 1,491.97 mi (2,401.10 km) |
| Tudela de Duero to Lukovit | 1,463.92 mi (2,355.95 km) |
| Tudela de Duero to Lyaskovets | 1,542.34 mi (2,482.16 km) |
| Tudela de Duero to Mezdra | 1,440.84 mi (2,318.81 km) |
| Tudela de Duero to Momchilgrad | 1,542.96 mi (2,483.15 km) |
