| Castres to Devnya | 1,266.10 mi (2,037.59 km) |
| Castres to Dimitrovgrad | 1,184.18 mi (1,905.75 km) |
| Castres to Dobrich | 1,275.32 mi (2,052.44 km) |
| Castres to Dospat | 1,119.03 mi (1,800.91 km) |
| Castres to Dupnitsa | 1,056.90 mi (1,700.92 km) |
| Castres to Elhovo | 1,230.65 mi (1,980.54 km) |
| Castres to Etropole | 1,093.33 mi (1,759.54 km) |
| Castres to Gabrovo | 1,159.36 mi (1,865.81 km) |
| Castres to Gorna Oryahovitsa | 1,174.40 mi (1,890.01 km) |
| Castres to Gotse Delchev | 1,098.78 mi (1,768.32 km) |
| Castres to Harmanli | 1,201.03 mi (1,932.86 km) |
| Castres to Haskovo | 1,184.37 mi (1,906.05 km) |
| Castres to Ihtiman | 1,089.34 mi (1,753.12 km) |
| Castres to Isperih | 1,224.34 mi (1,970.38 km) |
| Castres to Kardzhali | 1,179.07 mi (1,897.52 km) |
