| Killarney to Wichita (Kansas) | 4,143.20 mi (6,667.84 km) |
| Killarney to Wichita Falls (Texas) | 4,376.55 mi (7,043.38 km) |
| Killarney to Wickliffe (Ohio) | 3,332.96 mi (5,363.88 km) |
| Killarney to Wildomar (California) | 5,092.78 mi (8,196.03 km) |
| Killarney to Wildwood (Florida) | 3,952.23 mi (6,360.50 km) |
| Killarney to Wildwood (Missouri) | 3,838.33 mi (6,177.20 km) |
| Killarney to Wilkes-Barre (Pennsylvania) | 3,119.50 mi (5,020.35 km) |
| Killarney to Wilkinsburg (Pennsylvania) | 3,318.11 mi (5,339.97 km) |
| Killarney to Williamsburg (Virginia) | 3,326.86 mi (5,354.06 km) |
| Killarney to Williamsport (Pennsylvania) | 3,167.64 mi (5,097.82 km) |
| Killarney to Williamstown (New Jersey) | 3,148.49 mi (5,067.00 km) |
| Killarney to Willimantic (Connecticut) | 2,948.20 mi (4,744.67 km) |
| Killarney to Williston (North Dakota) | 3,873.85 mi (6,234.37 km) |
| Killarney to Willmar (Minnesota) | 3,707.92 mi (5,967.32 km) |
| Killarney to Willoughby (Ohio) | 3,328.84 mi (5,357.26 km) |
