| Flensburg to Selvazzano Dentro | 657.56 mi (1,058.25 km) |
| Flensburg to Senago | 635.70 mi (1,023.06 km) |
| Flensburg to Senigallia | 783.27 mi (1,260.56 km) |
| Flensburg to Seravezza | 745.81 mi (1,200.26 km) |
| Flensburg to Seregno | 631.04 mi (1,015.56 km) |
| Flensburg to Seriate | 628.68 mi (1,011.76 km) |
| Flensburg to Sermoneta | 928.42 mi (1,494.15 km) |
| Flensburg to Serramanna | 1,061.48 mi (1,708.29 km) |
| Flensburg to Serravalle Pistoiese | 754.45 mi (1,214.17 km) |
| Flensburg to Sessa Aurunca | 958.41 mi (1,542.42 km) |
| Flensburg to Sesto Calende | 626.19 mi (1,007.76 km) |
| Flensburg to Sesto Fiorentino | 760.57 mi (1,224.02 km) |
| Flensburg to Sesto San Giovanni | 639.08 mi (1,028.50 km) |
| Flensburg to Sestri Levante | 726.08 mi (1,168.51 km) |
| Flensburg to Sestu | 1,069.86 mi (1,721.77 km) |
