| Effingham to Ashtabula (Ohio) | 449.50 mi (723.41 km) |
| Effingham to Ashwaubenon (Wisconsin) | 371.04 mi (597.13 km) |
| Effingham to Aspen Hill (Maryland) | 614.46 mi (988.88 km) |
| Effingham to Astoria (Oregon) | 1,840.15 mi (2,961.43 km) |
| Effingham to Atascadero (California) | 1,774.57 mi (2,855.89 km) |
| Effingham to Atascocita (Texas) | 735.69 mi (1,183.98 km) |
| Effingham to Atchison (Kansas) | 353.16 mi (568.35 km) |
| Effingham to Athens (Alabama) | 312.35 mi (502.68 km) |
| Effingham to Athens (Georgia) | 458.45 mi (737.81 km) |
| Effingham to Athens (Ohio) | 345.58 mi (556.15 km) |
| Effingham to Athens (Tennessee) | 333.27 mi (536.35 km) |
| Effingham to Athens (Texas) | 628.36 mi (1,011.25 km) |
| Effingham to Atlanta (Georgia) | 435.42 mi (700.75 km) |
| Effingham to Atlantic Beach (Florida) | 729.18 mi (1,173.51 km) |
| Effingham to Atlantic City (New Jersey) | 753.77 mi (1,213.08 km) |
