| Apex to Decatur (Georgia) | 336.02 mi (540.77 km) |
| Apex to Decatur (Illinois) | 618.52 mi (995.41 km) |
| Apex to Deer Park (New York) | 460.21 mi (740.63 km) |
| Apex to Deer Park (Texas) | 1,030.41 mi (1,658.29 km) |
| Apex to Deerfield (Illinois) | 655.67 mi (1,055.21 km) |
| Apex to Deerfield Beach (Florida) | 654.97 mi (1,054.07 km) |
| Apex to Defiance (Ohio) | 485.17 mi (780.80 km) |
| Apex to DeForest (Wisconsin) | 760.92 mi (1,224.59 km) |
| Apex to DeKalb (Illinois) | 682.15 mi (1,097.82 km) |
| Apex to Del Aire (California) | 2,228.60 mi (3,586.58 km) |
| Apex to Del City (Oklahoma) | 1,041.86 mi (1,676.71 km) |
| Apex to Del Rio (Texas) | 1,351.18 mi (2,174.51 km) |
| Apex to DeLand (Florida) | 483.90 mi (778.76 km) |
| Apex to Delano (California) | 2,248.44 mi (3,618.51 km) |
| Apex to Delaware (Ohio) | 389.26 mi (626.45 km) |
