| Eckernforde to Karlovo | 1,061.69 mi (1,708.62 km) |
| Eckernforde to Karnobat | 1,127.38 mi (1,814.35 km) |
| Eckernforde to Kavarna | 1,127.76 mi (1,814.96 km) |
| Eckernforde to Kazanlak | 1,080.46 mi (1,738.83 km) |
| Eckernforde to Knezha | 992.25 mi (1,596.87 km) |
| Eckernforde to Kostinbrod | 1,007.25 mi (1,621.01 km) |
| Eckernforde to Kozloduy | 966.16 mi (1,554.89 km) |
| Eckernforde to Kyustendil | 1,024.64 mi (1,648.99 km) |
| Eckernforde to Levski | 1,030.59 mi (1,658.58 km) |
| Eckernforde to Lom | 949.62 mi (1,528.27 km) |
| Eckernforde to Lovech | 1,031.26 mi (1,659.66 km) |
| Eckernforde to Lukovit | 1,011.64 mi (1,628.08 km) |
| Eckernforde to Lyaskovets | 1,062.91 mi (1,710.60 km) |
| Eckernforde to Mezdra | 1,001.27 mi (1,611.38 km) |
| Eckernforde to Momchilgrad | 1,142.80 mi (1,839.16 km) |
