| Kelso to Smyrna (Delaware) | 2,409.73 mi (3,878.08 km) |
| Kelso to Smyrna (Georgia) | 2,174.75 mi (3,499.92 km) |
| Kelso to Smyrna (Tennessee) | 1,999.82 mi (3,218.40 km) |
| Kelso to Snellville (Georgia) | 2,199.30 mi (3,539.43 km) |
| Kelso to Snoqualmie (Washington) | 109.06 mi (175.52 km) |
| Kelso to Snyder (Texas) | 1,486.25 mi (2,391.88 km) |
| Kelso to Socastee (South Carolina) | 2,443.39 mi (3,932.25 km) |
| Kelso to Socorro (Texas) | 1,336.77 mi (2,151.33 km) |
| Kelso to Soddy-Daisy (Tennessee) | 2,090.31 mi (3,364.03 km) |
| Kelso to Solana Beach (California) | 954.85 mi (1,536.68 km) |
| Kelso to Soledad (California) | 673.63 mi (1,084.10 km) |
| Kelso to Solon (Ohio) | 2,070.36 mi (3,331.93 km) |
| Kelso to Somers Point (New Jersey) | 2,456.67 mi (3,953.63 km) |
| Kelso to Somerset (Kentucky) | 2,051.57 mi (3,301.68 km) |
| Kelso to Somerset (New Jersey) | 2,425.05 mi (3,902.74 km) |
