| Silver Spring to Bougival | 3,816.67 mi (6,142.33 km) |
| Silver Spring to Bouguenais | 3,696.76 mi (5,949.37 km) |
| Silver Spring to Boulogne-Billancourt | 3,821.71 mi (6,150.46 km) |
| Silver Spring to Boulogne-sur-Mer | 3,748.83 mi (6,033.17 km) |
| Silver Spring to Bourg-de-Peage | 4,048.58 mi (6,515.56 km) |
| Silver Spring to Bourg-en-Bresse | 4,021.87 mi (6,472.58 km) |
| Silver Spring to Bourg-la-Reine | 3,826.28 mi (6,157.80 km) |
| Silver Spring to Bourg-les-Valence | 4,044.46 mi (6,508.93 km) |
| Silver Spring to Bourges | 3,874.45 mi (6,235.32 km) |
| Silver Spring to Bourgoin-Jallieu | 4,042.07 mi (6,505.08 km) |
| Silver Spring to Bressuire | 3,754.95 mi (6,043.01 km) |
| Silver Spring to Brest | 3,543.31 mi (5,702.40 km) |
| Silver Spring to Bretigny-sur-Orge | 3,830.23 mi (6,164.16 km) |
| Silver Spring to Breuillet | 3,825.70 mi (6,156.86 km) |
| Silver Spring to Briancon | 4,122.50 mi (6,634.52 km) |
