| Ionia to Spello | 4,620.75 mi (7,436.38 km) |
| Ionia to Spilamberto | 4,490.38 mi (7,226.57 km) |
| Ionia to Spilimbergo | 4,497.08 mi (7,237.35 km) |
| Ionia to Spinea | 4,495.53 mi (7,234.85 km) |
| Ionia to Spoleto | 4,631.17 mi (7,453.15 km) |
| Ionia to Spoltore | 4,702.04 mi (7,567.21 km) |
| Ionia to Spresiano | 4,486.97 mi (7,221.09 km) |
| Ionia to Squinzano | 4,946.88 mi (7,961.23 km) |
| Ionia to Statte | 4,907.17 mi (7,897.33 km) |
| Ionia to Stezzano | 4,391.16 mi (7,066.89 km) |
| Ionia to Strada | 4,541.67 mi (7,309.12 km) |
| Ionia to Stradella | 4,399.99 mi (7,081.10 km) |
| Ionia to Striano | 4,790.69 mi (7,709.87 km) |
| Ionia to Subiaco | 4,683.03 mi (7,536.61 km) |
| Ionia to Sulmona | 4,711.19 mi (7,581.92 km) |
