| Niksar to Sesena | 2,122.36 mi (3,415.60 km) |
| Niksar to Sestao | 2,043.11 mi (3,288.06 km) |
| Niksar to Sevilla | 2,298.10 mi (3,698.43 km) |
| Niksar to Sevilla La Nueva | 2,135.13 mi (3,436.15 km) |
| Niksar to Silla | 1,965.98 mi (3,163.94 km) |
| Niksar to Silleda | 2,310.49 mi (3,718.37 km) |
| Niksar to Sitges | 1,824.02 mi (2,935.48 km) |
| Niksar to Socuellamos | 2,090.27 mi (3,363.97 km) |
| Niksar to Soller | 1,798.43 mi (2,894.29 km) |
| Niksar to Solsona | 1,829.78 mi (2,944.75 km) |
| Niksar to Son Servera | 1,766.52 mi (2,842.94 km) |
| Niksar to Sonseca | 2,142.35 mi (3,447.78 km) |
| Niksar to Sopelana | 2,041.07 mi (3,284.78 km) |
| Niksar to Soria | 2,034.35 mi (3,273.97 km) |
| Niksar to Suances | 2,093.65 mi (3,369.41 km) |
