| Rock Island to Sinop | 5,749.08 mi (9,252.24 km) |
| Rock Island to Siran | 5,974.23 mi (9,614.59 km) |
| Rock Island to Sirnak | 6,227.54 mi (10,022.25 km) |
| Rock Island to Sirvan | 6,183.23 mi (9,950.94 km) |
| Rock Island to Sivas | 5,933.29 mi (9,548.72 km) |
| Rock Island to Sivasli | 5,756.29 mi (9,263.85 km) |
| Rock Island to Siverek | 6,117.86 mi (9,845.74 km) |
| Rock Island to Sivrice | 6,078.32 mi (9,782.12 km) |
| Rock Island to Sivrihisar | 5,769.54 mi (9,285.18 km) |
| Rock Island to Sogut | 5,693.07 mi (9,162.10 km) |
| Rock Island to Sogutlu | 5,657.03 mi (9,104.11 km) |
| Rock Island to Soke | 5,712.86 mi (9,193.96 km) |
| Rock Island to Solhan | 6,102.00 mi (9,820.21 km) |
| Rock Island to Soma | 5,646.05 mi (9,086.43 km) |
| Rock Island to Sorgun | 5,871.29 mi (9,448.93 km) |
