| Middle Island to Sugar Hill (Georgia) | 767.21 mi (1,234.70 km) |
| Middle Island to Sugar Land (Texas) | 1,492.58 mi (2,402.08 km) |
| Middle Island to Sugarland Run (Virginia) | 267.32 mi (430.22 km) |
| Middle Island to Sugarmill Woods (Florida) | 998.17 mi (1,606.40 km) |
| Middle Island to Suisun City (California) | 2,585.28 mi (4,160.61 km) |
| Middle Island to Suitland (Maryland) | 253.50 mi (407.96 km) |
| Middle Island to Sulphur (Louisiana) | 1,357.99 mi (2,185.47 km) |
| Middle Island to Sulphur Springs (Texas) | 1,355.06 mi (2,180.76 km) |
| Middle Island to Summerfield (Maryland) | 248.91 mi (400.58 km) |
| Middle Island to Summerfield (North Carolina) | 495.86 mi (798.02 km) |
| Middle Island to Summerlin South (Nevada) | 2,292.73 mi (3,689.79 km) |
| Middle Island to Summerville (South Carolina) | 674.97 mi (1,086.26 km) |
| Middle Island to Summit (Illinois) | 772.93 mi (1,243.91 km) |
| Middle Island to Summit (New Jersey) | 75.16 mi (120.96 km) |
| Middle Island to Sumner (Washington) | 2,444.50 mi (3,934.04 km) |
