| Echternach to Karlovo | 1,004.89 mi (1,617.22 km) |
| Echternach to Karnobat | 1,096.03 mi (1,763.89 km) |
| Echternach to Kavarna | 1,124.06 mi (1,809.00 km) |
| Echternach to Kazanlak | 1,030.47 mi (1,658.39 km) |
| Echternach to Knezha | 941.11 mi (1,514.57 km) |
| Echternach to Kostinbrod | 932.83 mi (1,501.24 km) |
| Echternach to Kozloduy | 915.72 mi (1,473.71 km) |
| Echternach to Kyustendil | 934.28 mi (1,503.57 km) |
| Echternach to Levski | 990.13 mi (1,593.46 km) |
| Echternach to Lom | 893.45 mi (1,437.87 km) |
| Echternach to Lovech | 981.65 mi (1,579.81 km) |
| Echternach to Lukovit | 956.23 mi (1,538.91 km) |
| Echternach to Lyaskovets | 1,024.79 mi (1,649.24 km) |
| Echternach to Mezdra | 938.96 mi (1,511.11 km) |
| Echternach to Momchilgrad | 1,076.18 mi (1,731.94 km) |
