| Ponce to Silver Firs (Washington) | 3,718.12 mi (5,983.73 km) |
| Ponce to Silver Spring (Maryland) | 1,579.01 mi (2,541.17 km) |
| Ponce to Silver Springs Shores (Florida) | 1,238.16 mi (1,992.63 km) |
| Ponce to Silverdale (Washington) | 3,739.03 mi (6,017.39 km) |
| Ponce to Silverton (Oregon) | 3,704.85 mi (5,962.38 km) |
| Ponce to Simi Valley (California) | 3,382.79 mi (5,444.08 km) |
| Ponce to Simpsonville (South Carolina) | 1,502.67 mi (2,418.31 km) |
| Ponce to Sioux City (Iowa) | 2,429.30 mi (3,909.57 km) |
| Ponce to Sioux Falls (South Dakota) | 2,485.03 mi (3,999.27 km) |
| Ponce to Skokie (Illinois) | 2,073.47 mi (3,336.93 km) |
| Ponce to Sleepy Hollow (New York) | 1,651.66 mi (2,658.08 km) |
| Ponce to Slidell (Louisiana) | 1,683.35 mi (2,709.09 km) |
| Ponce to Smithfield (North Carolina) | 1,406.42 mi (2,263.42 km) |
| Ponce to Smithfield (Utah) | 3,118.33 mi (5,018.46 km) |
| Ponce to Smithville (Missouri) | 2,230.39 mi (3,589.46 km) |
