| Niles to Smyrna (Delaware) | 666.16 mi (1,072.08 km) |
| Niles to Smyrna (Georgia) | 591.83 mi (952.46 km) |
| Niles to Smyrna (Tennessee) | 424.26 mi (682.78 km) |
| Niles to Snellville (Georgia) | 601.31 mi (967.72 km) |
| Niles to Snoqualmie (Washington) | 1,697.26 mi (2,731.47 km) |
| Niles to Snyder (Texas) | 963.21 mi (1,550.13 km) |
| Niles to Socastee (South Carolina) | 749.21 mi (1,205.73 km) |
| Niles to Socorro (Texas) | 1,243.15 mi (2,000.66 km) |
| Niles to Soddy-Daisy (Tennessee) | 488.89 mi (786.79 km) |
| Niles to Solana Beach (California) | 1,719.84 mi (2,767.81 km) |
| Niles to Soledad (California) | 1,823.26 mi (2,934.25 km) |
| Niles to Solon (Ohio) | 331.47 mi (533.44 km) |
| Niles to Somers Point (New Jersey) | 715.98 mi (1,152.26 km) |
| Niles to Somerset (Kentucky) | 381.69 mi (614.28 km) |
| Niles to Somerset (New Jersey) | 698.36 mi (1,123.90 km) |
