| Frederick to Allison Park (Pennsylvania) | 156.06 mi (251.15 km) |
| Frederick to Allouez (Wisconsin) | 646.13 mi (1,039.84 km) |
| Frederick to Aloha (Oregon) | 2,322.70 mi (3,738.03 km) |
| Frederick to Alpena (Michigan) | 496.53 mi (799.09 km) |
| Frederick to Alpharetta (Georgia) | 530.27 mi (853.39 km) |
| Frederick to Alpine (California) | 2,223.86 mi (3,578.96 km) |
| Frederick to Alpine (Utah) | 1,809.77 mi (2,912.54 km) |
| Frederick to Alsip (Illinois) | 563.12 mi (906.25 km) |
| Frederick to Altadena (California) | 2,261.98 mi (3,640.30 km) |
| Frederick to Altamont (Oregon) | 2,298.80 mi (3,699.57 km) |
| Frederick to Altamonte Springs (Florida) | 778.16 mi (1,252.33 km) |
| Frederick to Alton (Illinois) | 682.75 mi (1,098.78 km) |
| Frederick to Alton (Texas) | 1,508.71 mi (2,428.04 km) |
| Frederick to Altoona (Iowa) | 855.93 mi (1,377.48 km) |
| Frederick to Altoona (Pennsylvania) | 90.78 mi (146.09 km) |
