| South Riding to Karlovo | 4,998.14 mi (8,043.73 km) |
| South Riding to Karnobat | 5,086.13 mi (8,185.33 km) |
| South Riding to Kavarna | 5,105.02 mi (8,215.74 km) |
| South Riding to Kazanlak | 5,023.25 mi (8,084.14 km) |
| South Riding to Knezha | 4,933.45 mi (7,939.62 km) |
| South Riding to Kostinbrod | 4,926.22 mi (7,927.99 km) |
| South Riding to Kozloduy | 4,907.75 mi (7,898.27 km) |
| South Riding to Kyustendil | 4,926.01 mi (7,927.65 km) |
| South Riding to Levski | 4,981.16 mi (8,016.41 km) |
| South Riding to Lom | 4,886.05 mi (7,863.33 km) |
| South Riding to Lovech | 4,974.08 mi (8,005.01 km) |
| South Riding to Lukovit | 4,949.15 mi (7,964.89 km) |
| South Riding to Lyaskovets | 5,015.69 mi (8,071.98 km) |
| South Riding to Mezdra | 4,932.30 mi (7,937.77 km) |
| South Riding to Momchilgrad | 5,069.54 mi (8,158.64 km) |
