| San Diego to Amelia | 6,327.02 mi (10,182.36 km) |
| San Diego to Anagni | 6,394.18 mi (10,290.43 km) |
| San Diego to Ancona | 6,306.26 mi (10,148.95 km) |
| San Diego to Andria | 6,524.42 mi (10,500.05 km) |
| San Diego to Angri | 6,494.50 mi (10,451.88 km) |
| San Diego to Anguillara Sabazia | 6,346.58 mi (10,213.83 km) |
| San Diego to Anzio | 6,392.13 mi (10,287.13 km) |
| San Diego to Anzola dell'Emilia | 6,182.63 mi (9,949.98 km) |
| San Diego to Aosta | 5,994.37 mi (9,647.01 km) |
| San Diego to Apricena | 6,466.86 mi (10,407.40 km) |
| San Diego to Aprilia | 6,385.68 mi (10,276.76 km) |
| San Diego to Aradeo | 6,642.09 mi (10,689.40 km) |
| San Diego to Aragona | 6,640.10 mi (10,686.21 km) |
| San Diego to Arco | 6,101.57 mi (9,819.52 km) |
| San Diego to Arcola | 6,162.25 mi (9,917.18 km) |
