| Niksar to Security-Widefield (Colorado) | 6,446.21 mi (10,374.17 km) |
| Niksar to Sedalia (Missouri) | 6,122.33 mi (9,852.94 km) |
| Niksar to Sedro-Woolley (Washington) | 6,151.13 mi (9,899.29 km) |
| Niksar to Seguin (Texas) | 6,795.34 mi (10,936.04 km) |
| Niksar to Selden (New York) | 5,303.10 mi (8,534.51 km) |
| Niksar to Selma (Alabama) | 6,257.07 mi (10,069.77 km) |
| Niksar to Selma (California) | 6,903.00 mi (11,109.30 km) |
| Niksar to Selma (Texas) | 6,806.74 mi (10,954.39 km) |
| Niksar to Seminole (Florida) | 6,334.75 mi (10,194.80 km) |
| Niksar to Seven Hills (Ohio) | 5,594.63 mi (9,003.69 km) |
| Niksar to Seven Oaks (South Carolina) | 5,950.03 mi (9,575.65 km) |
| Niksar to Severn (Maryland) | 5,525.34 mi (8,892.18 km) |
| Niksar to Severna Park (Maryland) | 5,522.90 mi (8,888.25 km) |
| Niksar to Sevierville (Tennessee) | 5,946.04 mi (9,569.23 km) |
| Niksar to Seymour (Indiana) | 5,867.65 mi (9,443.08 km) |
