| Ionia to Selargius | 4,634.40 mi (7,458.34 km) |
| Ionia to Selvazzano Dentro | 4,485.41 mi (7,218.57 km) |
| Ionia to Senago | 4,373.39 mi (7,038.29 km) |
| Ionia to Senigallia | 4,611.58 mi (7,421.62 km) |
| Ionia to Seravezza | 4,481.15 mi (7,211.72 km) |
| Ionia to Seregno | 4,373.36 mi (7,038.24 km) |
| Ionia to Seriate | 4,392.36 mi (7,068.82 km) |
| Ionia to Sermoneta | 4,694.84 mi (7,555.61 km) |
| Ionia to Serramanna | 4,617.16 mi (7,430.59 km) |
| Ionia to Serravalle Pistoiese | 4,509.24 mi (7,256.91 km) |
| Ionia to Sessa Aurunca | 4,746.91 mi (7,639.41 km) |
| Ionia to Sesto Calende | 4,347.67 mi (6,996.90 km) |
| Ionia to Sesto Fiorentino | 4,526.62 mi (7,284.89 km) |
| Ionia to Sesto San Giovanni | 4,379.33 mi (7,047.85 km) |
| Ionia to Sestri Levante | 4,436.38 mi (7,139.66 km) |
