| Kreuzlingen to Karlovo | 834.65 mi (1,343.24 km) |
| Kreuzlingen to Karnobat | 931.95 mi (1,499.82 km) |
| Kreuzlingen to Kavarna | 969.05 mi (1,559.54 km) |
| Kreuzlingen to Kazanlak | 861.79 mi (1,386.92 km) |
| Kreuzlingen to Knezha | 774.42 mi (1,246.31 km) |
| Kreuzlingen to Kostinbrod | 758.91 mi (1,221.35 km) |
| Kreuzlingen to Kozloduy | 750.05 mi (1,207.09 km) |
| Kreuzlingen to Kyustendil | 755.70 mi (1,216.19 km) |
| Kreuzlingen to Levski | 825.64 mi (1,328.74 km) |
| Kreuzlingen to Lom | 726.55 mi (1,169.27 km) |
| Kreuzlingen to Lovech | 814.32 mi (1,310.52 km) |
| Kreuzlingen to Lukovit | 787.69 mi (1,267.67 km) |
| Kreuzlingen to Lyaskovets | 860.16 mi (1,384.30 km) |
| Kreuzlingen to Mezdra | 768.66 mi (1,237.04 km) |
| Kreuzlingen to Momchilgrad | 901.46 mi (1,450.75 km) |
