| Castelsarrasin to Devnya | 1,318.83 mi (2,122.46 km) |
| Castelsarrasin to Dimitrovgrad | 1,239.77 mi (1,995.21 km) |
| Castelsarrasin to Dobrich | 1,327.28 mi (2,136.05 km) |
| Castelsarrasin to Dospat | 1,175.86 mi (1,892.36 km) |
| Castelsarrasin to Dupnitsa | 1,112.92 mi (1,791.07 km) |
| Castelsarrasin to Elhovo | 1,285.70 mi (2,069.14 km) |
| Castelsarrasin to Etropole | 1,147.89 mi (1,847.34 km) |
| Castelsarrasin to Gabrovo | 1,213.44 mi (1,952.85 km) |
| Castelsarrasin to Gorna Oryahovitsa | 1,227.82 mi (1,975.99 km) |
| Castelsarrasin to Gotse Delchev | 1,155.92 mi (1,860.27 km) |
| Castelsarrasin to Harmanli | 1,256.73 mi (2,022.50 km) |
| Castelsarrasin to Haskovo | 1,240.18 mi (1,995.88 km) |
| Castelsarrasin to Ihtiman | 1,144.77 mi (1,842.34 km) |
| Castelsarrasin to Isperih | 1,276.23 mi (2,053.90 km) |
| Castelsarrasin to Kardzhali | 1,235.46 mi (1,988.28 km) |
