| Killarney to Dixon (Illinois) | 3,641.84 mi (5,860.98 km) |
| Killarney to Dobbs Ferry (New York) | 3,046.22 mi (4,902.42 km) |
| Killarney to Doctor Phillips (Florida) | 3,946.66 mi (6,351.53 km) |
| Killarney to Dodge City (Kansas) | 4,242.72 mi (6,827.99 km) |
| Killarney to Dolton (Illinois) | 3,577.40 mi (5,757.26 km) |
| Killarney to Donna (Texas) | 4,754.10 mi (7,650.98 km) |
| Killarney to Dorado (Puerto Rico) | 3,820.17 mi (6,147.97 km) |
| Killarney to Doral (Florida) | 4,030.31 mi (6,486.16 km) |
| Killarney to Doraville (Georgia) | 3,797.85 mi (6,112.05 km) |
| Killarney to Dothan (Alabama) | 3,974.21 mi (6,395.88 km) |
| Killarney to Douglas (Arizona) | 4,933.25 mi (7,939.30 km) |
| Killarney to Douglas (Georgia) | 3,854.06 mi (6,202.51 km) |
| Killarney to Douglasville (Georgia) | 3,823.95 mi (6,154.05 km) |
| Killarney to Dover (Delaware) | 3,193.78 mi (5,139.90 km) |
| Killarney to Dover (New Hampshire) | 2,834.10 mi (4,561.04 km) |
