| Killarney to Dumas (Texas) | 4,411.95 mi (7,100.35 km) |
| Killarney to Dumont (New Jersey) | 3,054.13 mi (4,915.15 km) |
| Killarney to Duncan (Oklahoma) | 4,320.92 mi (6,953.84 km) |
| Killarney to Duncanville (Texas) | 4,375.61 mi (7,041.87 km) |
| Killarney to Dundalk (Maryland) | 3,229.57 mi (5,197.49 km) |
| Killarney to Dunedin (Florida) | 4,022.00 mi (6,472.78 km) |
| Killarney to Dunkirk (New York) | 3,209.37 mi (5,164.99 km) |
| Killarney to Dunmore (Pennsylvania) | 3,101.36 mi (4,991.15 km) |
| Killarney to Dunwoody (Georgia) | 3,797.92 mi (6,112.16 km) |
| Killarney to Durango (Colorado) | 4,562.05 mi (7,341.92 km) |
| Killarney to Durant (Oklahoma) | 4,287.49 mi (6,900.05 km) |
| Killarney to Durham (North Carolina) | 3,477.17 mi (5,595.96 km) |
| Killarney to Dyer (Indiana) | 3,579.69 mi (5,760.95 km) |
| Killarney to Dyersburg (Tennessee) | 3,905.83 mi (6,285.83 km) |
| Killarney to Eagan (Minnesota) | 3,650.81 mi (5,875.41 km) |
