| Effingham to Dixon (California) | 1,782.63 mi (2,868.86 km) |
| Effingham to Dixon (Illinois) | 194.39 mi (312.84 km) |
| Effingham to Dobbs Ferry (New York) | 786.25 mi (1,265.34 km) |
| Effingham to Doctor Phillips (Florida) | 840.83 mi (1,353.18 km) |
| Effingham to Dodge City (Kansas) | 627.21 mi (1,009.40 km) |
| Effingham to Dolton (Illinois) | 180.39 mi (290.31 km) |
| Effingham to Donna (Texas) | 1,051.79 mi (1,692.70 km) |
| Effingham to Dorado (Puerto Rico) | 1,952.71 mi (3,142.59 km) |
| Effingham to Doral (Florida) | 1,034.85 mi (1,665.43 km) |
| Effingham to Doraville (Georgia) | 431.41 mi (694.28 km) |
| Effingham to Dothan (Alabama) | 573.02 mi (922.18 km) |
| Effingham to Douglas (Arizona) | 1,296.03 mi (2,085.75 km) |
| Effingham to Douglas (Georgia) | 616.03 mi (991.41 km) |
| Effingham to Douglasville (Georgia) | 428.83 mi (690.13 km) |
| Effingham to Dover (Delaware) | 697.70 mi (1,122.84 km) |
