| Port Huron to Bougival | 3,870.36 mi (6,228.74 km) |
| Port Huron to Bouguenais | 3,771.88 mi (6,070.25 km) |
| Port Huron to Boulogne-Billancourt | 3,875.40 mi (6,236.85 km) |
| Port Huron to Boulogne-sur-Mer | 3,789.58 mi (6,098.75 km) |
| Port Huron to Bourg-de-Peage | 4,122.46 mi (6,634.47 km) |
| Port Huron to Bourg-en-Bresse | 4,087.18 mi (6,577.68 km) |
| Port Huron to Bourg-la-Reine | 3,880.20 mi (6,244.59 km) |
| Port Huron to Bourg-les-Valence | 4,119.38 mi (6,629.50 km) |
| Port Huron to Bourges | 3,940.66 mi (6,341.89 km) |
| Port Huron to Bourgoin-Jallieu | 4,111.57 mi (6,616.93 km) |
| Port Huron to Bressuire | 3,829.95 mi (6,163.71 km) |
| Port Huron to Brest | 3,615.34 mi (5,818.32 km) |
| Port Huron to Bretigny-sur-Orge | 3,885.43 mi (6,252.99 km) |
| Port Huron to Breuillet | 3,881.55 mi (6,246.74 km) |
| Port Huron to Briancon | 4,193.05 mi (6,748.06 km) |
