| Kardzhali to Bouguenais | 1,377.85 mi (2,217.43 km) |
| Kardzhali to Boulogne-Billancourt | 1,223.42 mi (1,968.91 km) |
| Kardzhali to Boulogne-sur-Mer | 1,289.53 mi (2,075.29 km) |
| Kardzhali to Bourg-de-Peage | 1,044.36 mi (1,680.73 km) |
| Kardzhali to Bourg-en-Bresse | 1,047.03 mi (1,685.03 km) |
| Kardzhali to Bourg-la-Reine | 1,219.16 mi (1,962.05 km) |
| Kardzhali to Bourg-les-Valence | 1,051.28 mi (1,691.88 km) |
| Kardzhali to Bourges | 1,189.97 mi (1,915.07 km) |
| Kardzhali to Bourgoin-Jallieu | 1,038.12 mi (1,670.69 km) |
| Kardzhali to Bressuire | 1,322.26 mi (2,127.97 km) |
| Kardzhali to Brest | 1,519.56 mi (2,445.49 km) |
| Kardzhali to Bretigny-sur-Orge | 1,216.58 mi (1,957.89 km) |
| Kardzhali to Breuillet | 1,221.75 mi (1,966.21 km) |
| Kardzhali to Briancon | 966.27 mi (1,555.06 km) |
| Kardzhali to Brie-Comte-Robert | 1,204.56 mi (1,938.56 km) |
