| Omagh to Dixon (Illinois) | 3,659.20 mi (5,888.92 km) |
| Omagh to Dobbs Ferry (New York) | 3,100.71 mi (4,990.11 km) |
| Omagh to Doctor Phillips (Florida) | 4,021.29 mi (6,471.64 km) |
| Omagh to Dodge City (Kansas) | 4,248.63 mi (6,837.50 km) |
| Omagh to Dolton (Illinois) | 3,599.52 mi (5,792.86 km) |
| Omagh to Donna (Texas) | 4,793.53 mi (7,714.44 km) |
| Omagh to Dorado (Puerto Rico) | 3,953.81 mi (6,363.05 km) |
| Omagh to Doral (Florida) | 4,114.25 mi (6,621.25 km) |
| Omagh to Doraville (Georgia) | 3,851.05 mi (6,197.66 km) |
| Omagh to Dothan (Alabama) | 4,032.04 mi (6,488.94 km) |
| Omagh to Douglas (Arizona) | 4,932.35 mi (7,937.85 km) |
| Omagh to Douglas (Georgia) | 3,917.32 mi (6,304.31 km) |
| Omagh to Douglasville (Georgia) | 3,876.58 mi (6,238.76 km) |
| Omagh to Dover (Delaware) | 3,251.08 mi (5,232.11 km) |
| Omagh to Dover (New Hampshire) | 2,886.87 mi (4,645.96 km) |
