| South San Francisco to Amelia | 6,211.01 mi (9,995.66 km) |
| South San Francisco to Anagni | 6,278.53 mi (10,104.31 km) |
| South San Francisco to Ancona | 6,180.61 mi (9,946.73 km) |
| South San Francisco to Andria | 6,396.71 mi (10,294.51 km) |
| South San Francisco to Angri | 6,376.92 mi (10,262.66 km) |
| South San Francisco to Anguillara Sabazia | 6,233.37 mi (10,031.65 km) |
| South San Francisco to Anzio | 6,280.21 mi (10,107.02 km) |
| South San Francisco to Anzola dell'Emilia | 6,062.70 mi (9,756.97 km) |
| South San Francisco to Aosta | 5,884.70 mi (9,470.51 km) |
| South San Francisco to Apricena | 6,340.77 mi (10,204.49 km) |
| South San Francisco to Aprilia | 6,273.04 mi (10,095.49 km) |
| South San Francisco to Aradeo | 6,510.28 mi (10,477.28 km) |
| South San Francisco to Aragona | 6,542.00 mi (10,528.33 km) |
| South San Francisco to Arco | 5,976.56 mi (9,618.35 km) |
| South San Francisco to Arcola | 6,049.80 mi (9,736.22 km) |
