| Glencullen to Superior (Colorado) | 4,402.51 mi (7,085.15 km) |
| Glencullen to Superior (Wisconsin) | 3,608.86 mi (5,807.90 km) |
| Glencullen to Surprise (Arizona) | 4,991.80 mi (8,033.53 km) |
| Glencullen to Susanville (California) | 4,882.55 mi (7,857.70 km) |
| Glencullen to Sussex (Wisconsin) | 3,629.24 mi (5,840.71 km) |
| Glencullen to Suwanee (Georgia) | 3,899.35 mi (6,275.39 km) |
| Glencullen to Swansea (Illinois) | 3,913.04 mi (6,297.42 km) |
| Glencullen to Sweetwater (Florida) | 4,166.18 mi (6,704.82 km) |
| Glencullen to Sweetwater (Texas) | 4,619.21 mi (7,433.90 km) |
| Glencullen to Sycamore (Illinois) | 3,699.32 mi (5,953.47 km) |
| Glencullen to Sylacauga (Alabama) | 4,030.53 mi (6,486.52 km) |
| Glencullen to Sylvania (Ohio) | 3,521.71 mi (5,667.64 km) |
| Glencullen to Syosset (New York) | 3,157.11 mi (5,080.88 km) |
| Glencullen to Syracuse (New York) | 3,166.19 mi (5,095.48 km) |
| Glencullen to Syracuse (Utah) | 4,575.84 mi (7,364.10 km) |
