| Killarney to Dardenne Prairie (Missouri) | 3,832.56 mi (6,167.91 km) |
| Killarney to Darien (Illinois) | 3,587.40 mi (5,773.37 km) |
| Killarney to Davenport (Iowa) | 3,698.82 mi (5,952.68 km) |
| Killarney to Davidson (North Carolina) | 3,580.28 mi (5,761.90 km) |
| Killarney to Davie (Florida) | 4,014.05 mi (6,460.00 km) |
| Killarney to Davis (California) | 4,972.16 mi (8,001.91 km) |
| Killarney to Dayton (Nevada) | 4,862.72 mi (7,825.80 km) |
| Killarney to Dayton (Ohio) | 3,523.61 mi (5,670.70 km) |
| Killarney to Daytona Beach (Florida) | 3,892.85 mi (6,264.93 km) |
| Killarney to De Pere (Wisconsin) | 3,473.75 mi (5,590.46 km) |
| Killarney to De Witt (New York) | 3,054.34 mi (4,915.49 km) |
| Killarney to Dearborn (Michigan) | 3,372.95 mi (5,428.23 km) |
| Killarney to Dearborn Heights (Michigan) | 3,375.35 mi (5,432.10 km) |
| Killarney to DeBary (Florida) | 3,918.09 mi (6,305.55 km) |
| Killarney to Decatur (Alabama) | 3,878.53 mi (6,241.90 km) |
