| Diamond Bar to Abilene (Texas) | 1,048.90 mi (1,688.05 km) |
| Diamond Bar to Accokeek (Maryland) | 2,275.59 mi (3,662.21 km) |
| Diamond Bar to Acworth (Georgia) | 1,889.46 mi (3,040.79 km) |
| Diamond Bar to Ada (Oklahoma) | 1,204.83 mi (1,938.99 km) |
| Diamond Bar to Addison (Illinois) | 1,703.52 mi (2,741.54 km) |
| Diamond Bar to Addison (Texas) | 1,209.13 mi (1,945.91 km) |
| Diamond Bar to Adelanto (California) | 45.60 mi (73.39 km) |
| Diamond Bar to Adelphi (Maryland) | 2,275.84 mi (3,662.62 km) |
| Diamond Bar to Adrian (Michigan) | 1,905.42 mi (3,066.48 km) |
| Diamond Bar to Affton (Missouri) | 1,557.05 mi (2,505.82 km) |
| Diamond Bar to Agoura Hills (California) | 55.08 mi (88.64 km) |
| Diamond Bar to Aguadilla (Puerto Rico) | 3,282.93 mi (5,283.37 km) |
| Diamond Bar to Aiken (South Carolina) | 2,062.30 mi (3,318.94 km) |
| Diamond Bar to Akron (Ohio) | 2,032.02 mi (3,270.22 km) |
| Diamond Bar to Alabaster (Alabama) | 1,777.45 mi (2,860.54 km) |
