| Effingham to Dover (New Hampshire) | 958.96 mi (1,543.29 km) |
| Effingham to Dover (New Jersey) | 749.64 mi (1,206.42 km) |
| Effingham to Dover (Ohio) | 387.49 mi (623.61 km) |
| Effingham to Downers Grove (Illinois) | 186.90 mi (300.79 km) |
| Effingham to Downey (California) | 1,673.01 mi (2,692.45 km) |
| Effingham to Dranesville (Virginia) | 599.59 mi (964.95 km) |
| Effingham to Draper (Utah) | 1,237.24 mi (1,991.14 km) |
| Effingham to Drexel Heights (Arizona) | 1,347.71 mi (2,168.92 km) |
| Effingham to Drexel Hill (Pennsylvania) | 707.57 mi (1,138.72 km) |
| Effingham to Duarte (California) | 1,657.88 mi (2,668.09 km) |
| Effingham to Dublin (California) | 1,797.59 mi (2,892.94 km) |
| Effingham to Dublin (Georgia) | 553.07 mi (890.08 km) |
| Effingham to Dublin (Ohio) | 295.69 mi (475.86 km) |
| Effingham to Dubuque (Iowa) | 259.29 mi (417.28 km) |
| Effingham to Duluth (Georgia) | 429.49 mi (691.20 km) |
