| Towson to Karlovo | 4,940.09 mi (7,950.31 km) |
| Towson to Karnobat | 5,028.19 mi (8,092.09 km) |
| Towson to Kavarna | 5,047.26 mi (8,122.79 km) |
| Towson to Kazanlak | 4,965.23 mi (7,990.77 km) |
| Towson to Knezha | 4,875.44 mi (7,846.27 km) |
| Towson to Kostinbrod | 4,868.12 mi (7,834.48 km) |
| Towson to Kozloduy | 4,849.76 mi (7,804.93 km) |
| Towson to Kyustendil | 4,867.84 mi (7,834.04 km) |
| Towson to Levski | 4,923.20 mi (7,923.13 km) |
| Towson to Lom | 4,828.03 mi (7,769.96 km) |
| Towson to Lovech | 4,916.07 mi (7,911.66 km) |
| Towson to Lukovit | 4,891.12 mi (7,871.50 km) |
| Towson to Lyaskovets | 4,957.74 mi (7,978.71 km) |
| Towson to Mezdra | 4,874.24 mi (7,844.33 km) |
| Towson to Momchilgrad | 5,011.43 mi (8,065.12 km) |
