| Solon to Karlovo | 5,039.26 mi (8,109.91 km) |
| Solon to Karnobat | 5,122.34 mi (8,243.60 km) |
| Solon to Kavarna | 5,135.19 mi (8,264.28 km) |
| Solon to Kazanlak | 5,063.14 mi (8,148.34 km) |
| Solon to Knezha | 4,972.94 mi (8,003.17 km) |
| Solon to Kostinbrod | 4,970.24 mi (7,998.83 km) |
| Solon to Kozloduy | 4,946.93 mi (7,961.31 km) |
| Solon to Kyustendil | 4,973.26 mi (8,003.68 km) |
| Solon to Levski | 5,018.83 mi (8,077.03 km) |
| Solon to Lom | 4,926.14 mi (7,927.85 km) |
| Solon to Lovech | 5,013.55 mi (8,068.54 km) |
| Solon to Lukovit | 4,989.60 mi (8,029.99 km) |
| Solon to Lyaskovets | 5,053.05 mi (8,132.11 km) |
| Solon to Mezdra | 4,973.97 mi (8,004.83 km) |
| Solon to Momchilgrad | 5,113.43 mi (8,229.28 km) |
