| San Juan to Sugar Hill (Georgia) | 1,551.11 mi (2,496.28 km) |
| San Juan to Sugar Land (Texas) | 2,013.06 mi (3,239.71 km) |
| San Juan to Sugarland Run (Virginia) | 1,578.70 mi (2,540.66 km) |
| San Juan to Sugarmill Woods (Florida) | 1,260.07 mi (2,027.89 km) |
| San Juan to Suisun City (California) | 3,607.90 mi (5,806.36 km) |
| San Juan to Suitland (Maryland) | 1,556.10 mi (2,504.30 km) |
| San Juan to Sulphur (Louisiana) | 1,896.12 mi (3,051.51 km) |
| San Juan to Sulphur Springs (Texas) | 2,090.98 mi (3,365.11 km) |
| San Juan to Summerfield (Maryland) | 1,558.09 mi (2,507.51 km) |
| San Juan to Summerfield (North Carolina) | 1,490.99 mi (2,399.52 km) |
| San Juan to Summerlin South (Nevada) | 3,224.77 mi (5,189.77 km) |
| San Juan to Summerville (South Carolina) | 1,335.23 mi (2,148.85 km) |
| San Juan to Summit (Illinois) | 2,061.53 mi (3,317.71 km) |
| San Juan to Summit (New Jersey) | 1,618.74 mi (2,605.12 km) |
| San Juan to Sumner (Washington) | 3,718.08 mi (5,983.67 km) |
