| Omagh to Dumas (Texas) | 4,418.33 mi (7,110.62 km) |
| Omagh to Dumont (New Jersey) | 3,108.59 mi (5,002.79 km) |
| Omagh to Duncan (Oklahoma) | 4,340.15 mi (6,984.79 km) |
| Omagh to Duncanville (Texas) | 4,402.10 mi (7,084.50 km) |
| Omagh to Dundalk (Maryland) | 3,284.26 mi (5,285.51 km) |
| Omagh to Dunedin (Florida) | 4,094.51 mi (6,589.48 km) |
| Omagh to Dunkirk (New York) | 3,246.47 mi (5,224.69 km) |
| Omagh to Dunmore (Pennsylvania) | 3,150.49 mi (5,070.22 km) |
| Omagh to Dunwoody (Georgia) | 3,850.91 mi (6,197.45 km) |
| Omagh to Durango (Colorado) | 4,551.30 mi (7,324.61 km) |
| Omagh to Durant (Oklahoma) | 4,311.75 mi (6,939.09 km) |
| Omagh to Durham (North Carolina) | 3,536.93 mi (5,692.15 km) |
| Omagh to Dyer (Indiana) | 3,602.43 mi (5,797.54 km) |
| Omagh to Dyersburg (Tennessee) | 3,940.93 mi (6,342.31 km) |
| Omagh to Eagan (Minnesota) | 3,650.90 mi (5,875.55 km) |
