| Killarney to Frederick (Maryland) | 3,260.65 mi (5,247.50 km) |
| Killarney to Fredericksburg (Texas) | 4,574.84 mi (7,362.49 km) |
| Killarney to Fredericksburg (Virginia) | 3,313.50 mi (5,332.57 km) |
| Killarney to Frederickson (Washington) | 4,524.01 mi (7,280.70 km) |
| Killarney to Freeport (Illinois) | 3,628.00 mi (5,838.70 km) |
| Killarney to Freeport (New York) | 3,049.51 mi (4,907.71 km) |
| Killarney to Freeport (Texas) | 4,499.91 mi (7,241.90 km) |
| Killarney to Fremont (California) | 5,037.24 mi (8,106.65 km) |
| Killarney to Fremont (Nebraska) | 3,930.81 mi (6,326.02 km) |
| Killarney to Fremont (Ohio) | 3,410.41 mi (5,488.52 km) |
| Killarney to French Valley (California) | 5,088.42 mi (8,189.01 km) |
| Killarney to Fresno (California) | 5,006.01 mi (8,056.39 km) |
| Killarney to Fresno (Texas) | 4,474.35 mi (7,200.78 km) |
| Killarney to Fridley (Minnesota) | 3,642.57 mi (5,862.15 km) |
| Killarney to Friendly (Maryland) | 3,271.41 mi (5,264.83 km) |
