| Willowick to Sinop | 5,437.33 mi (8,750.53 km) |
| Willowick to Siran | 5,669.78 mi (9,124.63 km) |
| Willowick to Sirnak | 5,926.10 mi (9,537.13 km) |
| Willowick to Sirvan | 5,882.06 mi (9,466.26 km) |
| Willowick to Sivas | 5,619.25 mi (9,043.31 km) |
| Willowick to Sivasli | 5,411.88 mi (8,709.58 km) |
| Willowick to Siverek | 5,804.83 mi (9,341.97 km) |
| Willowick to Sivrice | 5,767.91 mi (9,282.55 km) |
| Willowick to Sivrihisar | 5,435.04 mi (8,746.85 km) |
| Willowick to Sogut | 5,356.31 mi (8,620.16 km) |
| Willowick to Sogutlu | 5,324.80 mi (8,569.44 km) |
| Willowick to Soke | 5,358.38 mi (8,623.47 km) |
| Willowick to Solhan | 5,800.34 mi (9,334.75 km) |
| Willowick to Soma | 5,297.76 mi (8,525.93 km) |
| Willowick to Sorgun | 5,550.87 mi (8,933.26 km) |
