| Salmon Creek to Smyrna (Delaware) | 2,401.99 mi (3,865.62 km) |
| Salmon Creek to Smyrna (Georgia) | 2,159.51 mi (3,475.39 km) |
| Salmon Creek to Smyrna (Tennessee) | 1,985.39 mi (3,195.18 km) |
| Salmon Creek to Snellville (Georgia) | 2,184.26 mi (3,515.23 km) |
| Salmon Creek to Snoqualmie (Washington) | 131.62 mi (211.82 km) |
| Salmon Creek to Snyder (Texas) | 1,462.29 mi (2,353.33 km) |
| Salmon Creek to Socastee (South Carolina) | 2,430.21 mi (3,911.05 km) |
| Salmon Creek to Socorro (Texas) | 1,309.40 mi (2,107.28 km) |
| Salmon Creek to Soddy-Daisy (Tennessee) | 2,075.86 mi (3,340.77 km) |
| Salmon Creek to Solana Beach (California) | 924.24 mi (1,487.43 km) |
| Salmon Creek to Soledad (California) | 643.92 mi (1,036.30 km) |
| Salmon Creek to Solon (Ohio) | 2,062.66 mi (3,319.53 km) |
| Salmon Creek to Somers Point (New Jersey) | 2,449.26 mi (3,941.70 km) |
| Salmon Creek to Somerset (Kentucky) | 2,038.85 mi (3,281.21 km) |
| Salmon Creek to Somerset (New Jersey) | 2,418.63 mi (3,892.42 km) |
