| Killarney to Jeffersonville (Indiana) | 3,649.78 mi (5,873.76 km) |
| Killarney to Jenison (Michigan) | 3,451.39 mi (5,554.48 km) |
| Killarney to Jenks (Oklahoma) | 4,172.11 mi (6,714.35 km) |
| Killarney to Jennings (Missouri) | 3,815.52 mi (6,140.48 km) |
| Killarney to Jensen Beach (Florida) | 3,953.68 mi (6,362.84 km) |
| Killarney to Jericho (New York) | 3,042.00 mi (4,895.62 km) |
| Killarney to Jerome (Idaho) | 4,511.11 mi (7,259.94 km) |
| Killarney to Jersey City (New Jersey) | 3,066.81 mi (4,935.56 km) |
| Killarney to Jessup (Maryland) | 3,246.63 mi (5,224.94 km) |
| Killarney to Johns Creek (Georgia) | 3,789.02 mi (6,097.83 km) |
| Killarney to Johnson City (New York) | 3,086.59 mi (4,967.38 km) |
| Killarney to Johnson City (Tennessee) | 3,605.27 mi (5,802.13 km) |
| Killarney to Johnston (Iowa) | 3,813.51 mi (6,137.25 km) |
| Killarney to Johnstown (Colorado) | 4,298.54 mi (6,917.83 km) |
| Killarney to Johnstown (Pennsylvania) | 3,284.08 mi (5,285.21 km) |
