| Apex to Dixon (Illinois) | 709.78 mi (1,142.28 km) |
| Apex to Dobbs Ferry (New York) | 454.83 mi (731.98 km) |
| Apex to Doctor Phillips (Florida) | 525.50 mi (845.71 km) |
| Apex to Dodge City (Kansas) | 1,176.56 mi (1,893.49 km) |
| Apex to Dolton (Illinois) | 622.19 mi (1,001.33 km) |
| Apex to Donna (Texas) | 1,311.74 mi (2,111.04 km) |
| Apex to Dorado (Puerto Rico) | 1,419.17 mi (2,283.93 km) |
| Apex to Doral (Florida) | 690.21 mi (1,110.79 km) |
| Apex to Doraville (Georgia) | 330.80 mi (532.37 km) |
| Apex to Dothan (Alabama) | 487.62 mi (784.74 km) |
| Apex to Douglas (Arizona) | 1,784.05 mi (2,871.14 km) |
| Apex to Douglas (Georgia) | 370.52 mi (596.30 km) |
| Apex to Douglasville (Georgia) | 358.32 mi (576.66 km) |
| Apex to Dover (Delaware) | 300.38 mi (483.41 km) |
| Apex to Dover (New Hampshire) | 668.44 mi (1,075.75 km) |
