| South San Francisco to Belvedere Marittimo | 6,478.80 mi (10,426.62 km) |
| South San Francisco to Benevento | 6,359.74 mi (10,235.02 km) |
| South San Francisco to Bergamo | 5,954.94 mi (9,583.54 km) |
| South San Francisco to Bernalda | 6,454.33 mi (10,387.24 km) |
| South San Francisco to Bertinoro | 6,111.63 mi (9,835.71 km) |
| South San Francisco to Besana in Brianza | 5,943.63 mi (9,565.35 km) |
| South San Francisco to Besozzo | 5,917.61 mi (9,523.48 km) |
| South San Francisco to Biancavilla | 6,564.93 mi (10,565.23 km) |
| South San Francisco to Biassono | 5,946.87 mi (9,570.56 km) |
| South San Francisco to Bibbiano | 6,035.26 mi (9,712.81 km) |
| South San Francisco to Bibbiena | 6,128.34 mi (9,862.62 km) |
| South San Francisco to Biella | 5,915.85 mi (9,520.64 km) |
| South San Francisco to Bisceglie | 6,400.72 mi (10,300.97 km) |
| South San Francisco to Bisignano | 6,496.34 mi (10,454.85 km) |
| South San Francisco to Bitetto | 6,419.72 mi (10,331.55 km) |
