| Omagh to Desert Hot Springs (California) | 5,025.68 mi (8,088.05 km) |
| Omagh to DeSoto (Texas) | 4,402.71 mi (7,085.48 km) |
| Omagh to Destin (Florida) | 4,117.24 mi (6,626.06 km) |
| Omagh to Destrehan (Louisiana) | 4,292.38 mi (6,907.91 km) |
| Omagh to Detroit (Michigan) | 3,394.79 mi (5,463.39 km) |
| Omagh to Diamond Bar (California) | 5,064.73 mi (8,150.90 km) |
| Omagh to Diamond Springs (California) | 4,892.04 mi (7,872.98 km) |
| Omagh to Dickinson (North Dakota) | 3,879.43 mi (6,243.34 km) |
| Omagh to Dickinson (Texas) | 4,500.66 mi (7,243.11 km) |
| Omagh to Dickson (Tennessee) | 3,862.92 mi (6,216.78 km) |
| Omagh to Difficult Run (Virginia) | 3,335.11 mi (5,367.33 km) |
| Omagh to Dinuba (California) | 4,970.14 mi (7,998.67 km) |
| Omagh to Discovery Bay (California) | 4,960.09 mi (7,982.49 km) |
| Omagh to Dix Hills (New York) | 3,089.30 mi (4,971.74 km) |
| Omagh to Dixon (California) | 4,935.86 mi (7,943.50 km) |
