| Omagh to Dallas (Texas) | 4,388.84 mi (7,063.16 km) |
| Omagh to Dalton (Georgia) | 3,835.06 mi (6,171.93 km) |
| Omagh to Daly City (California) | 4,999.01 mi (8,045.13 km) |
| Omagh to Damascus (Maryland) | 3,311.80 mi (5,329.83 km) |
| Omagh to Damascus (Oregon) | 4,556.00 mi (7,332.17 km) |
| Omagh to Dana Point (California) | 5,090.80 mi (8,192.85 km) |
| Omagh to Danbury (Connecticut) | 3,067.45 mi (4,936.58 km) |
| Omagh to Dania Beach (Florida) | 4,093.64 mi (6,588.07 km) |
| Omagh to Danville (California) | 4,976.72 mi (8,009.26 km) |
| Omagh to Danville (Illinois) | 3,671.38 mi (5,908.51 km) |
| Omagh to Danville (Indiana) | 3,647.99 mi (5,870.88 km) |
| Omagh to Danville (Kentucky) | 3,684.98 mi (5,930.41 km) |
| Omagh to Danville (Virginia) | 3,527.40 mi (5,676.80 km) |
| Omagh to Daphne (Alabama) | 4,160.62 mi (6,695.87 km) |
| Omagh to Darby (Pennsylvania) | 3,205.47 mi (5,158.71 km) |
