| Rancho Cucamonga to Bougival | 5,611.68 mi (9,031.13 km) |
| Rancho Cucamonga to Bouguenais | 5,561.06 mi (8,949.66 km) |
| Rancho Cucamonga to Boulogne-Billancourt | 5,616.45 mi (9,038.81 km) |
| Rancho Cucamonga to Boulogne-sur-Mer | 5,506.82 mi (8,862.38 km) |
| Rancho Cucamonga to Bourg-de-Peage | 5,894.85 mi (9,486.85 km) |
| Rancho Cucamonga to Bourg-en-Bresse | 5,843.22 mi (9,403.76 km) |
| Rancho Cucamonga to Bourg-la-Reine | 5,621.55 mi (9,047.01 km) |
| Rancho Cucamonga to Bourg-les-Valence | 5,894.02 mi (9,485.50 km) |
| Rancho Cucamonga to Bourges | 5,704.99 mi (9,181.30 km) |
| Rancho Cucamonga to Bourgoin-Jallieu | 5,875.35 mi (9,455.46 km) |
| Rancho Cucamonga to Bressuire | 5,616.52 mi (9,038.91 km) |
| Rancho Cucamonga to Brest | 5,405.19 mi (8,698.82 km) |
| Rancho Cucamonga to Bretigny-sur-Orge | 5,629.24 mi (9,059.38 km) |
| Rancho Cucamonga to Breuillet | 5,626.92 mi (9,055.65 km) |
| Rancho Cucamonga to Briancon | 5,955.62 mi (9,584.64 km) |
