| Bay City to Karlovo | 5,027.49 mi (8,090.97 km) |
| Bay City to Karnobat | 5,106.68 mi (8,218.40 km) |
| Bay City to Kavarna | 5,115.04 mi (8,231.86 km) |
| Bay City to Kazanlak | 5,050.38 mi (8,127.80 km) |
| Bay City to Knezha | 4,960.17 mi (7,982.62 km) |
| Bay City to Kostinbrod | 4,960.83 mi (7,983.69 km) |
| Bay City to Kozloduy | 4,934.01 mi (7,940.52 km) |
| Bay City to Kyustendil | 4,966.23 mi (7,992.37 km) |
| Bay City to Levski | 5,004.57 mi (8,054.07 km) |
| Bay City to Lom | 4,913.96 mi (7,908.26 km) |
| Bay City to Lovech | 5,000.64 mi (8,047.76 km) |
| Bay City to Lukovit | 4,977.49 mi (8,010.50 km) |
| Bay City to Lyaskovets | 5,038.46 mi (8,108.62 km) |
| Bay City to Mezdra | 4,962.81 mi (7,986.88 km) |
| Bay City to Momchilgrad | 5,103.47 mi (8,213.25 km) |
