| Horizon West to Karlovo | 5,663.21 mi (9,114.05 km) |
| Horizon West to Karnobat | 5,757.10 mi (9,265.16 km) |
| Horizon West to Kavarna | 5,783.67 mi (9,307.92 km) |
| Horizon West to Kazanlak | 5,689.80 mi (9,156.85 km) |
| Horizon West to Knezha | 5,601.24 mi (9,014.33 km) |
| Horizon West to Kostinbrod | 5,587.90 mi (8,992.86 km) |
| Horizon West to Kozloduy | 5,576.17 mi (8,973.98 km) |
| Horizon West to Kyustendil | 5,583.18 mi (8,985.26 km) |
| Horizon West to Levski | 5,651.02 mi (9,094.43 km) |
| Horizon West to Lom | 5,553.41 mi (8,937.34 km) |
| Horizon West to Lovech | 5,641.58 mi (9,079.24 km) |
| Horizon West to Lukovit | 5,615.53 mi (9,037.32 km) |
| Horizon West to Lyaskovets | 5,685.69 mi (9,150.23 km) |
| Horizon West to Mezdra | 5,597.15 mi (9,007.74 km) |
| Horizon West to Momchilgrad | 5,730.23 mi (9,221.92 km) |
