| San Marino to Ashtabula (Ohio) | 2,083.36 mi (3,352.84 km) |
| San Marino to Ashwaubenon (Wisconsin) | 1,744.68 mi (2,807.80 km) |
| San Marino to Aspen Hill (Maryland) | 2,281.95 mi (3,672.44 km) |
| San Marino to Astoria (Oregon) | 885.42 mi (1,424.95 km) |
| San Marino to Atascadero (California) | 173.59 mi (279.36 km) |
| San Marino to Atascocita (Texas) | 1,369.22 mi (2,203.55 km) |
| San Marino to Atchison (Kansas) | 1,320.71 mi (2,125.48 km) |
| San Marino to Athens (Alabama) | 1,768.89 mi (2,846.75 km) |
| San Marino to Athens (Georgia) | 1,979.58 mi (3,185.83 km) |
| San Marino to Athens (Ohio) | 2,012.98 mi (3,239.57 km) |
| San Marino to Athens (Tennessee) | 1,894.50 mi (3,048.91 km) |
| San Marino to Athens (Texas) | 1,292.94 mi (2,080.78 km) |
| San Marino to Atlanta (Georgia) | 1,922.45 mi (3,093.88 km) |
| San Marino to Atlantic Beach (Florida) | 2,149.41 mi (3,459.14 km) |
| San Marino to Atlantic City (New Jersey) | 2,420.50 mi (3,895.42 km) |
