| Niksar to Selargius | 1,470.23 mi (2,366.11 km) |
| Niksar to Selvazzano Dentro | 1,309.44 mi (2,107.35 km) |
| Niksar to Senago | 1,438.52 mi (2,315.07 km) |
| Niksar to Senigallia | 1,231.21 mi (1,981.44 km) |
| Niksar to Seravezza | 1,380.31 mi (2,221.39 km) |
| Niksar to Seregno | 1,435.63 mi (2,310.42 km) |
| Niksar to Seriate | 1,410.89 mi (2,270.60 km) |
| Niksar to Sermoneta | 1,247.13 mi (2,007.06 km) |
| Niksar to Serramanna | 1,480.21 mi (2,382.16 km) |
| Niksar to Serravalle Pistoiese | 1,350.39 mi (2,173.25 km) |
| Niksar to Sessa Aurunca | 1,200.07 mi (1,931.33 km) |
| Niksar to Sesto Calende | 1,463.32 mi (2,354.98 km) |
| Niksar to Sesto Fiorentino | 1,332.07 mi (2,143.76 km) |
| Niksar to Sesto San Giovanni | 1,433.46 mi (2,306.93 km) |
| Niksar to Sestri Levante | 1,422.17 mi (2,288.76 km) |
