| Omagh to Decatur (Georgia) | 3,858.91 mi (6,210.32 km) |
| Omagh to Decatur (Illinois) | 3,735.11 mi (6,011.07 km) |
| Omagh to Deer Park (New York) | 3,090.54 mi (4,973.75 km) |
| Omagh to Deer Park (Texas) | 4,490.32 mi (7,226.47 km) |
| Omagh to Deerfield (Illinois) | 3,583.44 mi (5,766.98 km) |
| Omagh to Deerfield Beach (Florida) | 4,079.22 mi (6,564.87 km) |
| Omagh to Defiance (Ohio) | 3,494.19 mi (5,623.35 km) |
| Omagh to DeForest (Wisconsin) | 3,588.12 mi (5,774.51 km) |
| Omagh to DeKalb (Illinois) | 3,627.90 mi (5,838.55 km) |
| Omagh to Del Aire (California) | 5,087.35 mi (8,187.29 km) |
| Omagh to Del City (Oklahoma) | 4,274.92 mi (6,879.82 km) |
| Omagh to Del Rio (Texas) | 4,726.01 mi (7,605.77 km) |
| Omagh to DeLand (Florida) | 3,983.23 mi (6,410.39 km) |
| Omagh to Delano (California) | 5,010.34 mi (8,063.36 km) |
| Omagh to Delaware (Ohio) | 3,492.00 mi (5,619.82 km) |
