| Killarney to Dover (New Jersey) | 3,080.17 mi (4,957.06 km) |
| Killarney to Dover (Ohio) | 3,380.01 mi (5,439.61 km) |
| Killarney to Downers Grove (Illinois) | 3,586.56 mi (5,772.00 km) |
| Killarney to Downey (California) | 5,105.69 mi (8,216.81 km) |
| Killarney to Dranesville (Virginia) | 3,277.93 mi (5,275.31 km) |
| Killarney to Draper (Utah) | 4,536.86 mi (7,301.37 km) |
| Killarney to Drexel Heights (Arizona) | 4,947.88 mi (7,962.84 km) |
| Killarney to Drexel Hill (Pennsylvania) | 3,150.78 mi (5,070.69 km) |
| Killarney to Duarte (California) | 5,087.16 mi (8,186.99 km) |
| Killarney to Dublin (California) | 5,023.84 mi (8,085.09 km) |
| Killarney to Dublin (Georgia) | 3,807.44 mi (6,127.49 km) |
| Killarney to Dublin (Ohio) | 3,466.12 mi (5,578.19 km) |
| Killarney to Dubuque (Iowa) | 3,660.27 mi (5,890.63 km) |
| Killarney to Duluth (Georgia) | 3,788.12 mi (6,096.40 km) |
| Killarney to Duluth (Minnesota) | 3,527.09 mi (5,676.31 km) |
