| Castanet-Tolosan to Devnya | 1,304.19 mi (2,098.90 km) |
| Castanet-Tolosan to Dimitrovgrad | 1,222.10 mi (1,966.77 km) |
| Castanet-Tolosan to Dobrich | 1,313.42 mi (2,113.75 km) |
| Castanet-Tolosan to Dospat | 1,156.78 mi (1,861.66 km) |
| Castanet-Tolosan to Dupnitsa | 1,094.77 mi (1,761.86 km) |
| Castanet-Tolosan to Elhovo | 1,268.62 mi (2,041.65 km) |
| Castanet-Tolosan to Etropole | 1,131.35 mi (1,820.73 km) |
| Castanet-Tolosan to Gabrovo | 1,197.41 mi (1,927.04 km) |
| Castanet-Tolosan to Gorna Oryahovitsa | 1,212.47 mi (1,951.28 km) |
| Castanet-Tolosan to Gotse Delchev | 1,136.48 mi (1,828.98 km) |
| Castanet-Tolosan to Harmanli | 1,238.93 mi (1,993.86 km) |
| Castanet-Tolosan to Haskovo | 1,222.26 mi (1,967.03 km) |
| Castanet-Tolosan to Ihtiman | 1,127.28 mi (1,814.18 km) |
| Castanet-Tolosan to Isperih | 1,262.43 mi (2,031.69 km) |
| Castanet-Tolosan to Kardzhali | 1,216.88 mi (1,958.38 km) |
