| South San Francisco to Aberaman | 5,252.31 mi (8,452.78 km) |
| South San Francisco to Aberbargoed | 5,258.85 mi (8,463.31 km) |
| South San Francisco to Aberdare | 5,251.32 mi (8,451.19 km) |
| South San Francisco to Aberdeen | 5,026.85 mi (8,089.93 km) |
| South San Francisco to Abergavenny | 5,258.98 mi (8,463.51 km) |
| South San Francisco to Abergele | 5,171.69 mi (8,323.03 km) |
| South San Francisco to Abertawe | 5,240.48 mi (8,433.74 km) |
| South San Francisco to Abertillery | 5,260.11 mi (8,465.32 km) |
| South San Francisco to Aberystwyth | 5,198.20 mi (8,365.69 km) |
| South San Francisco to Abingdon | 5,318.84 mi (8,559.84 km) |
| South San Francisco to Abram | 5,189.88 mi (8,352.30 km) |
| South San Francisco to Accrington | 5,184.46 mi (8,343.58 km) |
| South San Francisco to Acomb | 5,210.09 mi (8,384.83 km) |
| South San Francisco to Acton | 5,356.53 mi (8,620.51 km) |
| South San Francisco to Addlestone | 5,357.27 mi (8,621.69 km) |
