| Chalco to Devnya | 5,636.20 mi (9,070.58 km) |
| Chalco to Dimitrovgrad | 5,634.14 mi (9,067.26 km) |
| Chalco to Dobrich | 5,625.92 mi (9,054.04 km) |
| Chalco to Dospat | 5,606.95 mi (9,023.52 km) |
| Chalco to Dupnitsa | 5,539.45 mi (8,914.89 km) |
| Chalco to Elhovo | 5,659.85 mi (9,108.64 km) |
| Chalco to Etropole | 5,539.85 mi (8,915.52 km) |
| Chalco to Gabrovo | 5,582.37 mi (8,983.96 km) |
| Chalco to Gorna Oryahovitsa | 5,580.39 mi (8,980.76 km) |
| Chalco to Gotse Delchev | 5,596.52 mi (9,006.73 km) |
| Chalco to Harmanli | 5,650.24 mi (9,093.18 km) |
| Chalco to Haskovo | 5,639.18 mi (9,075.38 km) |
| Chalco to Ihtiman | 5,554.20 mi (8,938.63 km) |
| Chalco to Isperih | 5,586.15 mi (8,990.03 km) |
| Chalco to Kardzhali | 5,647.41 mi (9,088.63 km) |
