| Effingham to Abilene (Texas) | 777.02 mi (1,250.49 km) |
| Effingham to Accokeek (Maryland) | 621.35 mi (999.97 km) |
| Effingham to Acworth (Georgia) | 410.67 mi (660.91 km) |
| Effingham to Ada (Oklahoma) | 539.49 mi (868.23 km) |
| Effingham to Addison (Illinois) | 196.28 mi (315.89 km) |
| Effingham to Addison (Texas) | 628.34 mi (1,011.21 km) |
| Effingham to Adelanto (California) | 1,620.54 mi (2,608.01 km) |
| Effingham to Adelphi (Maryland) | 621.21 mi (999.74 km) |
| Effingham to Adrian (Michigan) | 304.72 mi (490.39 km) |
| Effingham to Affton (Missouri) | 103.37 mi (166.36 km) |
| Effingham to Agoura Hills (California) | 1,701.52 mi (2,738.34 km) |
| Effingham to Aguadilla (Puerto Rico) | 1,918.73 mi (3,087.90 km) |
| Effingham to Aiken (South Carolina) | 541.40 mi (871.30 km) |
| Effingham to Akron (Ohio) | 395.24 mi (636.08 km) |
| Effingham to Alabaster (Alabama) | 418.92 mi (674.18 km) |
