| South San Francisco to Ascoli Piceno | 6,226.70 mi (10,020.90 km) |
| South San Francisco to Asola | 6,002.91 mi (9,660.75 km) |
| South San Francisco to Asolo | 6,011.63 mi (9,674.78 km) |
| South San Francisco to Assemini | 6,292.14 mi (10,126.22 km) |
| South San Francisco to Assisi | 6,186.63 mi (9,956.42 km) |
| South San Francisco to Asti | 5,956.71 mi (9,586.40 km) |
| South San Francisco to Atessa | 6,296.16 mi (10,132.69 km) |
| South San Francisco to Atri | 6,253.24 mi (10,063.62 km) |
| South San Francisco to Atripalda | 6,373.54 mi (10,257.23 km) |
| South San Francisco to Augusta | 6,598.56 mi (10,619.35 km) |
| South San Francisco to Aulla | 6,046.14 mi (9,730.32 km) |
| South San Francisco to Aurisina | 6,064.75 mi (9,760.27 km) |
| South San Francisco to Avellino | 6,372.51 mi (10,255.57 km) |
| South San Francisco to Aversa | 6,352.98 mi (10,224.13 km) |
| South San Francisco to Avezzano | 6,269.32 mi (10,089.50 km) |
