| San Mateo to Abilene (Texas) | 1,321.58 mi (2,126.89 km) |
| San Mateo to Accokeek (Maryland) | 2,438.90 mi (3,925.04 km) |
| San Mateo to Acworth (Georgia) | 2,108.92 mi (3,393.98 km) |
| San Mateo to Ada (Oklahoma) | 1,438.90 mi (2,315.68 km) |
| San Mateo to Addison (Illinois) | 1,834.89 mi (2,952.97 km) |
| San Mateo to Addison (Texas) | 1,467.18 mi (2,361.19 km) |
| San Mateo to Adelanto (California) | 340.77 mi (548.42 km) |
| San Mateo to Adelphi (Maryland) | 2,435.97 mi (3,920.31 km) |
| San Mateo to Adrian (Michigan) | 2,038.47 mi (3,280.60 km) |
| San Mateo to Affton (Missouri) | 1,732.86 mi (2,788.76 km) |
| San Mateo to Agoura Hills (California) | 307.80 mi (495.36 km) |
| San Mateo to Aguadilla (Puerto Rico) | 3,558.63 mi (5,727.06 km) |
| San Mateo to Aiken (South Carolina) | 2,280.89 mi (3,670.74 km) |
| San Mateo to Akron (Ohio) | 2,174.09 mi (3,498.85 km) |
| San Mateo to Alabaster (Alabama) | 2,009.35 mi (3,233.74 km) |
