| San Marino to Allison Park (Pennsylvania) | 2,125.19 mi (3,420.15 km) |
| San Marino to Allouez (Wisconsin) | 1,747.58 mi (2,812.45 km) |
| San Marino to Aloha (Oregon) | 824.78 mi (1,327.35 km) |
| San Marino to Alpena (Michigan) | 1,976.20 mi (3,180.38 km) |
| San Marino to Alpharetta (Georgia) | 1,927.11 mi (3,101.38 km) |
| San Marino to Alpine (California) | 117.89 mi (189.72 km) |
| San Marino to Alpine (Utah) | 559.47 mi (900.39 km) |
| San Marino to Alsip (Illinois) | 1,726.04 mi (2,777.80 km) |
| San Marino to Altadena (California) | 5.01 mi (8.06 km) |
| San Marino to Altamont (Oregon) | 591.30 mi (951.61 km) |
| San Marino to Altamonte Springs (Florida) | 2,186.31 mi (3,518.53 km) |
| San Marino to Alton (Illinois) | 1,580.90 mi (2,544.22 km) |
| San Marino to Alton (Texas) | 1,297.44 mi (2,088.03 km) |
| San Marino to Altoona (Iowa) | 1,434.27 mi (2,308.24 km) |
| San Marino to Altoona (Pennsylvania) | 2,207.13 mi (3,552.03 km) |
