| Omagh to Dover (New Jersey) | 3,133.57 mi (5,042.99 km) |
| Omagh to Dover (Ohio) | 3,419.19 mi (5,502.65 km) |
| Omagh to Downers Grove (Illinois) | 3,607.23 mi (5,805.28 km) |
| Omagh to Downey (California) | 5,078.43 mi (8,172.95 km) |
| Omagh to Dranesville (Virginia) | 3,331.54 mi (5,361.60 km) |
| Omagh to Draper (Utah) | 4,509.37 mi (7,257.13 km) |
| Omagh to Drexel Heights (Arizona) | 4,941.55 mi (7,952.65 km) |
| Omagh to Drexel Hill (Pennsylvania) | 3,205.84 mi (5,159.29 km) |
| Omagh to Duarte (California) | 5,059.87 mi (8,143.07 km) |
| Omagh to Dublin (California) | 4,980.02 mi (8,014.57 km) |
| Omagh to Dublin (Georgia) | 3,867.70 mi (6,224.46 km) |
| Omagh to Dublin (Ohio) | 3,502.98 mi (5,637.51 km) |
| Omagh to Dubuque (Iowa) | 3,672.91 mi (5,910.98 km) |
| Omagh to Duluth (Georgia) | 3,841.33 mi (6,182.02 km) |
| Omagh to Duluth (Minnesota) | 3,522.76 mi (5,669.34 km) |
