| Killarney to Pell City (Alabama) | 3,897.16 mi (6,271.88 km) |
| Killarney to Pella (Iowa) | 3,795.65 mi (6,108.50 km) |
| Killarney to Pembroke Pines (Florida) | 4,019.56 mi (6,468.86 km) |
| Killarney to Pendleton (Oregon) | 4,493.29 mi (7,231.25 km) |
| Killarney to Pensacola (Florida) | 4,087.56 mi (6,578.30 km) |
| Killarney to Peoria (Arizona) | 4,906.36 mi (7,896.02 km) |
| Killarney to Peoria (Illinois) | 3,696.46 mi (5,948.87 km) |
| Killarney to Perris (California) | 5,082.11 mi (8,178.87 km) |
| Killarney to Perry (Georgia) | 3,843.99 mi (6,186.30 km) |
| Killarney to Perry Hall (Maryland) | 3,222.97 mi (5,186.87 km) |
| Killarney to Perrysburg (Ohio) | 3,423.60 mi (5,509.75 km) |
| Killarney to Perth Amboy (New Jersey) | 3,083.63 mi (4,962.63 km) |
| Killarney to Peru (Indiana) | 3,555.49 mi (5,722.00 km) |
| Killarney to Petal (Mississippi) | 4,127.72 mi (6,642.92 km) |
| Killarney to Petaluma (California) | 5,018.22 mi (8,076.04 km) |
