| Frederick to Abilene (Texas) | 1,334.21 mi (2,147.20 km) |
| Frederick to Accokeek (Maryland) | 56.92 mi (91.60 km) |
| Frederick to Acworth (Georgia) | 546.89 mi (880.13 km) |
| Frederick to Ada (Oklahoma) | 1,106.46 mi (1,780.67 km) |
| Frederick to Addison (Illinois) | 580.85 mi (934.79 km) |
| Frederick to Addison (Texas) | 1,168.59 mi (1,880.67 km) |
| Frederick to Adelanto (California) | 2,215.37 mi (3,565.29 km) |
| Frederick to Adelphi (Maryland) | 38.33 mi (61.68 km) |
| Frederick to Adrian (Michigan) | 386.86 mi (622.59 km) |
| Frederick to Affton (Missouri) | 695.50 mi (1,119.29 km) |
| Frederick to Agoura Hills (California) | 2,296.37 mi (3,695.65 km) |
| Frederick to Aguadilla (Puerto Rico) | 1,575.04 mi (2,534.78 km) |
| Frederick to Aiken (South Carolina) | 472.90 mi (761.06 km) |
| Frederick to Akron (Ohio) | 244.61 mi (393.66 km) |
| Frederick to Alabaster (Alabama) | 676.53 mi (1,088.77 km) |
