| Killarney to Portage (Michigan) | 3,472.68 mi (5,588.73 km) |
| Killarney to Portage (Wisconsin) | 3,565.69 mi (5,738.42 km) |
| Killarney to Portales (New Mexico) | 4,550.98 mi (7,324.09 km) |
| Killarney to Porterville (California) | 5,019.90 mi (8,078.75 km) |
| Killarney to Portland (Maine) | 2,789.65 mi (4,489.51 km) |
| Killarney to Portland (Oregon) | 4,616.94 mi (7,430.24 km) |
| Killarney to Portland (Tennessee) | 3,763.99 mi (6,057.56 km) |
| Killarney to Portland (Texas) | 4,634.01 mi (7,457.72 km) |
| Killarney to Portsmouth (New Hampshire) | 2,835.02 mi (4,562.52 km) |
| Killarney to Portsmouth (Ohio) | 3,518.48 mi (5,662.45 km) |
| Killarney to Portsmouth (Virginia) | 3,331.04 mi (5,360.79 km) |
| Killarney to Post Falls (Idaho) | 4,327.95 mi (6,965.16 km) |
| Killarney to Potomac (Maryland) | 3,269.84 mi (5,262.30 km) |
| Killarney to Potomac Park (California) | 5,056.06 mi (8,136.94 km) |
| Killarney to Pottstown (Pennsylvania) | 3,152.06 mi (5,072.74 km) |
