| Niksar to Smyrna (Delaware) | 5,476.32 mi (8,813.29 km) |
| Niksar to Smyrna (Georgia) | 6,087.15 mi (9,796.33 km) |
| Niksar to Smyrna (Tennessee) | 6,048.49 mi (9,734.11 km) |
| Niksar to Snellville (Georgia) | 6,068.40 mi (9,766.15 km) |
| Niksar to Snoqualmie (Washington) | 6,211.50 mi (9,996.44 km) |
| Niksar to Snyder (Texas) | 6,704.08 mi (10,789.17 km) |
| Niksar to Socastee (South Carolina) | 5,885.24 mi (9,471.38 km) |
| Niksar to Socorro (Texas) | 6,921.49 mi (11,139.07 km) |
| Niksar to Soddy-Daisy (Tennessee) | 6,037.78 mi (9,716.87 km) |
| Niksar to Solana Beach (California) | 7,093.82 mi (11,416.40 km) |
| Niksar to Soledad (California) | 6,939.87 mi (11,168.65 km) |
| Niksar to Solon (Ohio) | 5,586.13 mi (8,990.01 km) |
| Niksar to Somers Point (New Jersey) | 5,436.81 mi (8,749.69 km) |
| Niksar to Somerset (Kentucky) | 5,921.19 mi (9,529.24 km) |
| Niksar to Somerset (New Jersey) | 5,375.77 mi (8,651.47 km) |
