| Blackrock to Accokeek (Maryland) | 3,394.89 mi (5,463.54 km) |
| Blackrock to Acworth (Georgia) | 3,923.51 mi (6,314.27 km) |
| Blackrock to Ada (Oklahoma) | 4,357.26 mi (7,012.33 km) |
| Blackrock to Addison (Illinois) | 3,676.06 mi (5,916.05 km) |
| Blackrock to Addison (Texas) | 4,456.79 mi (7,172.51 km) |
| Blackrock to Adelanto (California) | 5,108.71 mi (8,221.67 km) |
| Blackrock to Adelphi (Maryland) | 3,378.37 mi (5,436.96 km) |
| Blackrock to Adrian (Michigan) | 3,525.66 mi (5,674.00 km) |
| Blackrock to Affton (Missouri) | 3,925.65 mi (6,317.72 km) |
| Blackrock to Agoura Hills (California) | 5,176.39 mi (8,330.60 km) |
| Blackrock to Aguadilla (Puerto Rico) | 4,013.33 mi (6,458.82 km) |
| Blackrock to Aiken (South Carolina) | 3,830.84 mi (6,165.13 km) |
| Blackrock to Akron (Ohio) | 3,464.72 mi (5,575.93 km) |
| Blackrock to Alabaster (Alabama) | 4,051.08 mi (6,519.59 km) |
| Blackrock to Alachua (Florida) | 4,048.91 mi (6,516.09 km) |
