| California to Ascoli Piceno | 4,499.50 mi (7,241.25 km) |
| California to Asola | 4,282.94 mi (6,892.73 km) |
| California to Asolo | 4,328.53 mi (6,966.09 km) |
| California to Assemini | 4,414.33 mi (7,104.18 km) |
| California to Assisi | 4,449.38 mi (7,160.58 km) |
| California to Asti | 4,196.67 mi (6,753.88 km) |
| California to Atessa | 4,565.03 mi (7,346.70 km) |
| California to Atri | 4,526.33 mi (7,284.42 km) |
| California to Atripalda | 4,622.78 mi (7,439.64 km) |
| California to Augusta | 4,775.51 mi (7,685.44 km) |
| California to Aulla | 4,295.29 mi (6,912.61 km) |
| California to Aurisina | 4,408.39 mi (7,094.63 km) |
| California to Avellino | 4,621.14 mi (7,437.01 km) |
| California to Aversa | 4,593.08 mi (7,391.85 km) |
| California to Avezzano | 4,521.32 mi (7,276.36 km) |
