| Giessen to Karlovo | 938.95 mi (1,511.09 km) |
| Giessen to Karnobat | 1,024.16 mi (1,648.23 km) |
| Giessen to Kavarna | 1,045.52 mi (1,682.60 km) |
| Giessen to Kazanlak | 962.92 mi (1,549.68 km) |
| Giessen to Knezha | 872.77 mi (1,404.59 km) |
| Giessen to Kostinbrod | 871.07 mi (1,401.86 km) |
| Giessen to Kozloduy | 846.84 mi (1,362.85 km) |
| Giessen to Kyustendil | 877.40 mi (1,412.05 km) |
| Giessen to Levski | 919.51 mi (1,479.80 km) |
| Giessen to Lom | 825.84 mi (1,329.07 km) |
| Giessen to Lovech | 913.41 mi (1,470.00 km) |
| Giessen to Lukovit | 889.29 mi (1,431.18 km) |
| Giessen to Lyaskovets | 953.95 mi (1,535.23 km) |
| Giessen to Mezdra | 873.75 mi (1,406.16 km) |
| Giessen to Momchilgrad | 1,013.85 mi (1,631.63 km) |
