| Ponce to Smyrna (Delaware) | 1,565.96 mi (2,520.17 km) |
| Ponce to Smyrna (Georgia) | 1,555.72 mi (2,503.69 km) |
| Ponce to Smyrna (Tennessee) | 1,736.64 mi (2,794.86 km) |
| Ponce to Snellville (Georgia) | 1,533.10 mi (2,467.28 km) |
| Ponce to Snoqualmie (Washington) | 3,698.69 mi (5,952.47 km) |
| Ponce to Snyder (Texas) | 2,355.14 mi (3,790.23 km) |
| Ponce to Socastee (South Carolina) | 1,326.42 mi (2,134.66 km) |
| Ponce to Socorro (Texas) | 2,640.36 mi (4,249.25 km) |
| Ponce to Soddy-Daisy (Tennessee) | 1,647.04 mi (2,650.65 km) |
| Ponce to Solana Beach (California) | 3,288.99 mi (5,293.12 km) |
| Ponce to Soledad (California) | 3,543.04 mi (5,701.97 km) |
| Ponce to Solon (Ohio) | 1,837.43 mi (2,957.06 km) |
| Ponce to Somers Point (New Jersey) | 1,547.84 mi (2,491.00 km) |
| Ponce to Somerset (Kentucky) | 1,711.16 mi (2,753.84 km) |
| Ponce to Somerset (New Jersey) | 1,623.48 mi (2,612.73 km) |
