| Killarney to Caño Martin Peña (Puerto Rico) | 3,812.95 mi (6,136.35 km) |
| Killarney to Cañon City (Colorado) | 4,404.26 mi (7,087.97 km) |
| Killarney to Canóvanas (Puerto Rico) | 3,810.14 mi (6,131.83 km) |
| Killarney to Canton (Georgia) | 3,790.78 mi (6,100.68 km) |
| Killarney to Canton (Illinois) | 3,721.83 mi (5,989.71 km) |
| Killarney to Canton (Mississippi) | 4,099.07 mi (6,596.81 km) |
| Killarney to Canton (Ohio) | 3,363.34 mi (5,412.78 km) |
| Killarney to Canyon (Texas) | 4,454.16 mi (7,168.27 km) |
| Killarney to Canyon Lake (California) | 5,089.02 mi (8,189.98 km) |
| Killarney to Canyon Lake (Texas) | 4,570.12 mi (7,354.89 km) |
| Killarney to Cape Coral (Florida) | 4,058.05 mi (6,530.80 km) |
| Killarney to Cape Girardeau (Missouri) | 3,853.39 mi (6,201.43 km) |
| Killarney to Carbondale (Illinois) | 3,820.58 mi (6,148.63 km) |
| Killarney to Carlisle (Pennsylvania) | 3,218.78 mi (5,180.13 km) |
| Killarney to Carlsbad (California) | 5,120.65 mi (8,240.90 km) |
