| San Juan to Southern Pines (North Carolina) | 1,419.30 mi (2,284.14 km) |
| San Juan to Southfield (Michigan) | 1,945.16 mi (3,130.43 km) |
| San Juan to Southgate (Michigan) | 1,928.41 mi (3,103.48 km) |
| San Juan to Southlake (Texas) | 2,169.63 mi (3,491.68 km) |
| San Juan to Spanaway (Washington) | 3,725.00 mi (5,994.81 km) |
| San Juan to Spanish Fork (Utah) | 3,085.74 mi (4,966.02 km) |
| San Juan to Spanish Lake (Missouri) | 2,019.92 mi (3,250.74 km) |
| San Juan to Spanish Springs (Nevada) | 3,495.51 mi (5,625.48 km) |
| San Juan to Sparks (Nevada) | 3,497.10 mi (5,628.05 km) |
| San Juan to Spartanburg (South Carolina) | 1,501.08 mi (2,415.76 km) |
| San Juan to Spearfish (South Dakota) | 2,822.78 mi (4,542.83 km) |
| San Juan to Speedway (Indiana) | 1,906.15 mi (3,067.66 km) |
| San Juan to Spencer (Iowa) | 2,406.79 mi (3,873.35 km) |
| San Juan to Spokane (Washington) | 3,508.89 mi (5,647.01 km) |
| San Juan to Spokane Valley (Washington) | 3,499.97 mi (5,632.65 km) |
