| Boussu to Dimitrovgrad | 1,185.74 mi (1,908.26 km) |
| Boussu to Dobrich | 1,221.10 mi (1,965.17 km) |
| Boussu to Dospat | 1,144.39 mi (1,841.72 km) |
| Boussu to Dupnitsa | 1,075.79 mi (1,731.32 km) |
| Boussu to Elhovo | 1,220.97 mi (1,964.96 km) |
| Boussu to Etropole | 1,087.95 mi (1,750.88 km) |
| Boussu to Gabrovo | 1,141.76 mi (1,837.49 km) |
| Boussu to Gorna Oryahovitsa | 1,146.73 mi (1,845.49 km) |
| Boussu to Gotse Delchev | 1,130.69 mi (1,819.67 km) |
| Boussu to Harmanli | 1,202.90 mi (1,935.89 km) |
| Boussu to Haskovo | 1,189.20 mi (1,913.84 km) |
| Boussu to Ihtiman | 1,096.71 mi (1,764.98 km) |
| Boussu to Isperih | 1,173.00 mi (1,887.76 km) |
| Boussu to Kardzhali | 1,192.93 mi (1,919.84 km) |
| Boussu to Karlovo | 1,128.84 mi (1,816.70 km) |
