| San Marino to Abilene (Texas) | 1,066.05 mi (1,715.63 km) |
| San Marino to Accokeek (Maryland) | 2,288.63 mi (3,683.19 km) |
| San Marino to Acworth (Georgia) | 1,904.83 mi (3,065.52 km) |
| San Marino to Ada (Oklahoma) | 1,220.43 mi (1,964.09 km) |
| San Marino to Addison (Illinois) | 1,714.70 mi (2,759.54 km) |
| San Marino to Addison (Texas) | 1,225.78 mi (1,972.70 km) |
| San Marino to Adelanto (California) | 49.82 mi (80.17 km) |
| San Marino to Adelphi (Maryland) | 2,288.74 mi (3,683.37 km) |
| San Marino to Adrian (Michigan) | 1,916.84 mi (3,084.85 km) |
| San Marino to Affton (Missouri) | 1,570.24 mi (2,527.06 km) |
| San Marino to Agoura Hills (California) | 37.09 mi (59.70 km) |
| San Marino to Aguadilla (Puerto Rico) | 3,300.70 mi (5,311.97 km) |
| San Marino to Aiken (South Carolina) | 2,077.69 mi (3,343.73 km) |
| San Marino to Akron (Ohio) | 2,043.95 mi (3,289.41 km) |
| San Marino to Alabaster (Alabama) | 1,793.30 mi (2,886.04 km) |
