| Sofia to Bouguenais | 1,253.03 mi (2,016.56 km) |
| Sofia to Boulogne-Billancourt | 1,096.69 mi (1,764.95 km) |
| Sofia to Boulogne-sur-Mer | 1,162.55 mi (1,870.95 km) |
| Sofia to Bourg-de-Peage | 922.70 mi (1,484.94 km) |
| Sofia to Bourg-en-Bresse | 922.74 mi (1,485.01 km) |
| Sofia to Bourg-la-Reine | 1,092.44 mi (1,758.12 km) |
| Sofia to Bourg-les-Valence | 929.88 mi (1,496.49 km) |
| Sofia to Bourges | 1,064.81 mi (1,713.65 km) |
| Sofia to Bourgoin-Jallieu | 915.09 mi (1,472.69 km) |
| Sofia to Bressuire | 1,197.80 mi (1,927.67 km) |
| Sofia to Brest | 1,393.70 mi (2,242.94 km) |
| Sofia to Bretigny-sur-Orge | 1,089.96 mi (1,754.12 km) |
| Sofia to Breuillet | 1,095.17 mi (1,762.51 km) |
| Sofia to Briancon | 844.72 mi (1,359.44 km) |
| Sofia to Brie-Comte-Robert | 1,077.87 mi (1,734.66 km) |
