| Chalco to Karlovo | 5,576.65 mi (8,974.75 km) |
| Chalco to Karnobat | 5,648.60 mi (9,090.54 km) |
| Chalco to Kavarna | 5,648.85 mi (9,090.95 km) |
| Chalco to Kazanlak | 5,597.70 mi (9,008.63 km) |
| Chalco to Knezha | 5,508.04 mi (8,864.34 km) |
| Chalco to Kostinbrod | 5,514.36 mi (8,874.51 km) |
| Chalco to Kozloduy | 5,481.79 mi (8,822.09 km) |
| Chalco to Kyustendil | 5,523.65 mi (8,889.45 km) |
| Chalco to Levski | 5,549.59 mi (8,931.20 km) |
| Chalco to Lom | 5,463.14 mi (8,792.08 km) |
| Chalco to Lovech | 5,548.02 mi (8,928.68 km) |
| Chalco to Lukovit | 5,526.38 mi (8,893.84 km) |
| Chalco to Lyaskovets | 5,582.68 mi (8,984.46 km) |
| Chalco to Mezdra | 5,513.41 mi (8,872.97 km) |
| Chalco to Momchilgrad | 5,655.23 mi (9,101.21 km) |
