| Killarney to Cloverly (Maryland) | 3,257.72 mi (5,242.79 km) |
| Killarney to Clovis (California) | 4,999.83 mi (8,046.45 km) |
| Killarney to Clovis (New Mexico) | 4,531.27 mi (7,292.38 km) |
| Killarney to Clute (Texas) | 4,497.35 mi (7,237.78 km) |
| Killarney to Coachella (California) | 5,049.47 mi (8,126.34 km) |
| Killarney to Coalinga (California) | 5,059.11 mi (8,141.85 km) |
| Killarney to Coamo (Puerto Rico) | 3,844.91 mi (6,187.78 km) |
| Killarney to Coatesville (Pennsylvania) | 3,170.71 mi (5,102.76 km) |
| Killarney to Cockeysville (Maryland) | 3,226.07 mi (5,191.85 km) |
| Killarney to Cocoa (Florida) | 3,919.27 mi (6,307.45 km) |
| Killarney to Cocoa Beach (Florida) | 3,915.78 mi (6,301.84 km) |
| Killarney to Coconut Creek (Florida) | 3,999.55 mi (6,436.65 km) |
| Killarney to Coeur d'Alene (Idaho) | 4,324.39 mi (6,959.44 km) |
| Killarney to Cohoes (New York) | 2,967.29 mi (4,775.39 km) |
| Killarney to Cold Springs (Nevada) | 4,852.52 mi (7,809.37 km) |
