| South San Francisco to Bicaz | 6,278.08 mi (10,103.60 km) |
| South San Francisco to Bistrita | 6,232.46 mi (10,030.18 km) |
| South San Francisco to Blaj | 6,279.95 mi (10,106.60 km) |
| South San Francisco to Bocsa | 6,281.35 mi (10,108.85 km) |
| South San Francisco to Boldesti-Scaeni | 6,395.15 mi (10,292.01 km) |
| South San Francisco to Bolintin Vale | 6,426.19 mi (10,341.95 km) |
| South San Francisco to Borsa | 6,203.21 mi (9,983.10 km) |
| South San Francisco to Botosani | 6,236.40 mi (10,036.51 km) |
| South San Francisco to Brad | 6,258.82 mi (10,072.60 km) |
| South San Francisco to Bragadiru | 6,435.47 mi (10,356.89 km) |
| South San Francisco to Braila | 6,417.91 mi (10,328.63 km) |
| South San Francisco to Brasov | 6,346.80 mi (10,214.19 km) |
| South San Francisco to Breaza | 6,377.81 mi (10,264.09 km) |
| South San Francisco to Bucharest | 6,434.23 mi (10,354.89 km) |
| South San Francisco to Buftea | 6,422.44 mi (10,335.92 km) |
