| Niksar to Southern Pines (North Carolina) | 5,824.82 mi (9,374.14 km) |
| Niksar to Southfield (Michigan) | 5,593.02 mi (9,001.10 km) |
| Niksar to Southgate (Michigan) | 5,605.19 mi (9,020.69 km) |
| Niksar to Southlake (Texas) | 6,574.11 mi (10,580.01 km) |
| Niksar to Spanaway (Washington) | 6,247.58 mi (10,054.50 km) |
| Niksar to Spanish Fork (Utah) | 6,522.30 mi (10,496.63 km) |
| Niksar to Spanish Lake (Missouri) | 6,021.01 mi (9,689.88 km) |
| Niksar to Spanish Springs (Nevada) | 6,700.89 mi (10,784.04 km) |
| Niksar to Sparks (Nevada) | 6,707.12 mi (10,794.06 km) |
| Niksar to Spartanburg (South Carolina) | 5,933.76 mi (9,549.46 km) |
| Niksar to Spearfish (South Dakota) | 6,075.18 mi (9,777.06 km) |
| Niksar to Speedway (Indiana) | 5,834.90 mi (9,390.36 km) |
| Niksar to Spencer (Iowa) | 5,928.11 mi (9,540.37 km) |
| Niksar to Spokane (Washington) | 6,140.49 mi (9,882.17 km) |
| Niksar to Spokane Valley (Washington) | 6,137.75 mi (9,877.75 km) |
