| South San Francisco to Barberino di Mugello | 6,094.83 mi (9,808.68 km) |
| South San Francisco to Barcellona-Pozzo di Gotto | 6,546.04 mi (10,534.84 km) |
| South San Francisco to Bareggio | 5,947.99 mi (9,572.36 km) |
| South San Francisco to Barga | 6,068.98 mi (9,767.07 km) |
| South San Francisco to Bari | 6,417.43 mi (10,327.86 km) |
| South San Francisco to Barletta | 6,390.37 mi (10,284.30 km) |
| South San Francisco to Baronissi | 6,381.92 mi (10,270.71 km) |
| South San Francisco to Barrafranca | 6,561.55 mi (10,559.80 km) |
| South San Francisco to Bassano del Grappa | 6,008.53 mi (9,669.79 km) |
| South San Francisco to Battipaglia | 6,395.46 mi (10,292.50 km) |
| South San Francisco to Beinasco | 5,931.84 mi (9,546.38 km) |
| South San Francisco to Bellinzago Novarese | 5,931.41 mi (9,545.68 km) |
| South San Francisco to Belluno | 6,000.39 mi (9,656.69 km) |
| South San Francisco to Belmonte Mezzagno | 6,497.57 mi (10,456.84 km) |
| South San Francisco to Belpasso | 6,572.25 mi (10,577.01 km) |
