| Killarney to Superior (Colorado) | 4,327.00 mi (6,963.64 km) |
| Killarney to Superior (Wisconsin) | 3,528.47 mi (5,678.53 km) |
| Killarney to Surprise (Arizona) | 4,917.41 mi (7,913.80 km) |
| Killarney to Susanville (California) | 4,833.27 mi (7,778.40 km) |
| Killarney to Sussex (Wisconsin) | 3,535.53 mi (5,689.89 km) |
| Killarney to Suwanee (Georgia) | 3,782.61 mi (6,087.53 km) |
| Killarney to Swansea (Illinois) | 3,812.44 mi (6,135.52 km) |
| Killarney to Sweetwater (Florida) | 4,032.99 mi (6,490.47 km) |
| Killarney to Sweetwater (Texas) | 4,523.35 mi (7,279.63 km) |
| Killarney to Sycamore (Illinois) | 3,603.79 mi (5,799.74 km) |
| Killarney to Sylacauga (Alabama) | 3,915.33 mi (6,301.12 km) |
| Killarney to Sylvania (Ohio) | 3,418.84 mi (5,502.10 km) |
| Killarney to Syosset (New York) | 3,039.17 mi (4,891.07 km) |
| Killarney to Syracuse (New York) | 3,056.43 mi (4,918.86 km) |
| Killarney to Syracuse (Utah) | 4,513.44 mi (7,263.68 km) |
