| South San Francisco to Argentona | 5,953.26 mi (9,580.84 km) |
| South San Francisco to Arico el Nuevo | 5,833.16 mi (9,387.56 km) |
| South San Francisco to Armilla | 5,961.36 mi (9,593.89 km) |
| South San Francisco to Arnedo | 5,764.23 mi (9,276.62 km) |
| South San Francisco to Arona | 5,828.66 mi (9,380.32 km) |
| South San Francisco to Arrecife | 5,933.95 mi (9,549.77 km) |
| South San Francisco to Arrigorriaga | 5,687.16 mi (9,152.60 km) |
| South San Francisco to Arroyomolinos | 5,796.36 mi (9,328.35 km) |
| South San Francisco to Arteijo | 5,479.79 mi (8,818.86 km) |
| South San Francisco to Arucas | 5,881.65 mi (9,465.60 km) |
| South San Francisco to Aspe | 6,007.81 mi (9,668.63 km) |
| South San Francisco to Astorga | 5,610.02 mi (9,028.45 km) |
| South San Francisco to Atarfe | 5,954.94 mi (9,583.55 km) |
| South San Francisco to Avila | 5,748.59 mi (9,251.45 km) |
| South San Francisco to Aviles | 5,562.88 mi (8,952.59 km) |
