| Seaham to Smyrna (Delaware) | 3,476.35 mi (5,594.65 km) |
| Seaham to Smyrna (Georgia) | 4,088.87 mi (6,580.40 km) |
| Seaham to Smyrna (Tennessee) | 4,056.84 mi (6,528.85 km) |
| Seaham to Snellville (Georgia) | 4,069.62 mi (6,549.42 km) |
| Seaham to Snoqualmie (Washington) | 4,564.70 mi (7,346.17 km) |
| Seaham to Snyder (Texas) | 4,755.14 mi (7,652.67 km) |
| Seaham to Socastee (South Carolina) | 3,885.45 mi (6,253.02 km) |
| Seaham to Socorro (Texas) | 5,001.33 mi (8,048.86 km) |
| Seaham to Soddy-Daisy (Tennessee) | 4,042.26 mi (6,505.38 km) |
| Seaham to Solana Beach (California) | 5,282.98 mi (8,502.14 km) |
| Seaham to Soledad (California) | 5,201.73 mi (8,371.38 km) |
| Seaham to Solon (Ohio) | 3,597.22 mi (5,789.17 km) |
| Seaham to Somers Point (New Jersey) | 3,436.60 mi (5,530.68 km) |
| Seaham to Somerset (Kentucky) | 3,928.15 mi (6,321.74 km) |
| Seaham to Somerset (New Jersey) | 3,376.02 mi (5,433.18 km) |
