| Sligo to Smyrna (Delaware) | 3,205.14 mi (5,158.17 km) |
| Sligo to Smyrna (Georgia) | 3,820.48 mi (6,148.47 km) |
| Sligo to Smyrna (Tennessee) | 3,794.71 mi (6,107.00 km) |
| Sligo to Snellville (Georgia) | 3,800.53 mi (6,116.36 km) |
| Sligo to Snoqualmie (Washington) | 4,404.13 mi (7,087.76 km) |
| Sligo to Snyder (Texas) | 4,511.75 mi (7,260.96 km) |
| Sligo to Socastee (South Carolina) | 3,609.97 mi (5,809.68 km) |
| Sligo to Socorro (Texas) | 4,766.78 mi (7,671.38 km) |
| Sligo to Soddy-Daisy (Tennessee) | 3,776.96 mi (6,078.44 km) |
| Sligo to Solana Beach (California) | 5,076.79 mi (8,170.30 km) |
| Sligo to Soledad (California) | 5,013.48 mi (8,068.41 km) |
| Sligo to Solon (Ohio) | 3,337.92 mi (5,371.86 km) |
| Sligo to Somers Point (New Jersey) | 3,164.22 mi (5,092.32 km) |
| Sligo to Somerset (Kentucky) | 3,665.15 mi (5,898.49 km) |
| Sligo to Somerset (New Jersey) | 3,105.57 mi (4,997.94 km) |
