| San Marcos to Arcore | 6,049.92 mi (9,736.41 km) |
| San Marcos to Ardea | 6,365.16 mi (10,243.73 km) |
| San Marcos to Arenzano | 6,091.45 mi (9,803.25 km) |
| San Marcos to Arese | 6,046.01 mi (9,730.12 km) |
| San Marcos to Arezzo | 6,245.78 mi (10,051.61 km) |
| San Marcos to Argelato | 6,170.37 mi (9,930.24 km) |
| San Marcos to Argenta | 6,183.87 mi (9,951.98 km) |
| San Marcos to Ariano Irpino | 6,473.26 mi (10,417.71 km) |
| San Marcos to Ariccia | 6,363.75 mi (10,241.47 km) |
| San Marcos to Arluno | 6,044.19 mi (9,727.18 km) |
| San Marcos to Arona | 6,018.91 mi (9,686.50 km) |
| San Marcos to Artena | 6,371.15 mi (10,253.38 km) |
| San Marcos to Arzachena | 6,284.68 mi (10,114.21 km) |
| San Marcos to Arzano | 6,459.21 mi (10,395.10 km) |
| San Marcos to Arzignano | 6,120.77 mi (9,850.43 km) |
