| Security-Widefield to Duluth (Minnesota) | 843.41 mi (1,357.33 km) |
| Security-Widefield to Dumas (Texas) | 250.27 mi (402.76 km) |
| Security-Widefield to Dumont (New Jersey) | 1,628.34 mi (2,620.56 km) |
| Security-Widefield to Duncan (Oklahoma) | 475.51 mi (765.26 km) |
| Security-Widefield to Duncanville (Texas) | 607.35 mi (977.43 km) |
| Security-Widefield to Dundalk (Maryland) | 1,509.35 mi (2,429.06 km) |
| Security-Widefield to Dunedin (Florida) | 1,460.02 mi (2,349.67 km) |
| Security-Widefield to Dunkirk (New York) | 1,350.67 mi (2,173.69 km) |
| Security-Widefield to Dunmore (Pennsylvania) | 1,542.39 mi (2,482.23 km) |
| Security-Widefield to Dunwoody (Georgia) | 1,180.11 mi (1,899.21 km) |
| Security-Widefield to Durango (Colorado) | 200.40 mi (322.51 km) |
| Security-Widefield to Durant (Oklahoma) | 567.26 mi (912.91 km) |
| Security-Widefield to Durham (North Carolina) | 1,425.52 mi (2,294.16 km) |
| Security-Widefield to Dyer (Indiana) | 926.97 mi (1,491.81 km) |
| Security-Widefield to Dyersburg (Tennessee) | 861.17 mi (1,385.91 km) |
