| Lanham to Smyrna (Delaware) | 69.98 mi (112.63 km) |
| Lanham to Smyrna (Georgia) | 552.99 mi (889.96 km) |
| Lanham to Smyrna (Tennessee) | 569.57 mi (916.63 km) |
| Lanham to Snellville (Georgia) | 531.69 mi (855.67 km) |
| Lanham to Snoqualmie (Washington) | 2,306.10 mi (3,711.31 km) |
| Lanham to Snyder (Texas) | 1,410.72 mi (2,270.34 km) |
| Lanham to Socastee (South Carolina) | 383.86 mi (617.76 km) |
| Lanham to Socorro (Texas) | 1,725.69 mi (2,777.23 km) |
| Lanham to Soddy-Daisy (Tennessee) | 525.31 mi (845.41 km) |
| Lanham to Solana Beach (California) | 2,278.03 mi (3,666.14 km) |
| Lanham to Soledad (California) | 2,414.72 mi (3,886.11 km) |
| Lanham to Solon (Ohio) | 294.86 mi (474.53 km) |
| Lanham to Somers Point (New Jersey) | 122.28 mi (196.79 km) |
| Lanham to Somerset (Kentucky) | 442.16 mi (711.58 km) |
| Lanham to Somerset (New Jersey) | 163.96 mi (263.87 km) |
