| San Marcos to Ascoli Piceno | 6,333.46 mi (10,192.72 km) |
| San Marcos to Asola | 6,107.00 mi (9,828.26 km) |
| San Marcos to Asolo | 6,124.33 mi (9,856.16 km) |
| San Marcos to Assemini | 6,362.84 mi (10,240.00 km) |
| San Marcos to Assisi | 6,290.25 mi (10,123.18 km) |
| San Marcos to Asti | 6,050.51 mi (9,737.36 km) |
| San Marcos to Atessa | 6,403.32 mi (10,305.15 km) |
| San Marcos to Atri | 6,360.57 mi (10,236.36 km) |
| San Marcos to Atripalda | 6,477.49 mi (10,424.51 km) |
| San Marcos to Augusta | 6,688.71 mi (10,764.44 km) |
| San Marcos to Aulla | 6,143.85 mi (9,887.57 km) |
| San Marcos to Aurisina | 6,184.55 mi (9,953.07 km) |
| San Marcos to Avellino | 6,476.29 mi (10,422.59 km) |
| San Marcos to Aversa | 6,454.34 mi (10,387.26 km) |
| San Marcos to Avezzano | 6,371.96 mi (10,254.69 km) |
