| Bel Air to Karlovo | 4,922.71 mi (7,922.34 km) |
| Bel Air to Karnobat | 5,010.86 mi (8,064.19 km) |
| Bel Air to Kavarna | 5,029.99 mi (8,094.98 km) |
| Bel Air to Kazanlak | 4,947.87 mi (7,962.82 km) |
| Bel Air to Knezha | 4,858.08 mi (7,818.33 km) |
| Bel Air to Kostinbrod | 4,850.72 mi (7,806.48 km) |
| Bel Air to Kozloduy | 4,832.40 mi (7,777.00 km) |
| Bel Air to Kyustendil | 4,850.43 mi (7,806.01 km) |
| Bel Air to Levski | 4,905.85 mi (7,895.21 km) |
| Bel Air to Lom | 4,810.66 mi (7,742.02 km) |
| Bel Air to Lovech | 4,898.71 mi (7,883.72 km) |
| Bel Air to Lukovit | 4,873.75 mi (7,843.55 km) |
| Bel Air to Lyaskovets | 4,940.39 mi (7,950.79 km) |
| Bel Air to Mezdra | 4,856.86 mi (7,816.36 km) |
| Bel Air to Momchilgrad | 4,994.03 mi (8,037.12 km) |
