| Johnston to Abilene (Texas) | 718.72 mi (1,156.67 km) |
| Johnston to Accokeek (Maryland) | 905.34 mi (1,457.00 km) |
| Johnston to Acworth (Georgia) | 721.64 mi (1,161.36 km) |
| Johnston to Ada (Oklahoma) | 504.36 mi (811.68 km) |
| Johnston to Addison (Illinois) | 294.72 mi (474.31 km) |
| Johnston to Addison (Texas) | 626.96 mi (1,008.99 km) |
| Johnston to Adelanto (California) | 1,373.78 mi (2,210.88 km) |
| Johnston to Adelphi (Maryland) | 900.29 mi (1,448.88 km) |
| Johnston to Adrian (Michigan) | 498.51 mi (802.27 km) |
| Johnston to Affton (Missouri) | 281.58 mi (453.15 km) |
| Johnston to Agoura Hills (California) | 1,454.24 mi (2,340.38 km) |
| Johnston to Aguadilla (Puerto Rico) | 2,241.36 mi (3,607.12 km) |
| Johnston to Aiken (South Carolina) | 863.97 mi (1,390.42 km) |
| Johnston to Akron (Ohio) | 633.39 mi (1,019.35 km) |
| Johnston to Alabaster (Alabama) | 696.46 mi (1,120.85 km) |
