| Wilmette to Sinop | 5,625.07 mi (9,052.67 km) |
| Wilmette to Siran | 5,852.25 mi (9,418.29 km) |
| Wilmette to Sirnak | 6,106.54 mi (9,827.53 km) |
| Wilmette to Sirvan | 6,062.27 mi (9,756.27 km) |
| Wilmette to Sivas | 5,808.85 mi (9,348.43 km) |
| Wilmette to Sivasli | 5,624.24 mi (9,051.34 km) |
| Wilmette to Siverek | 5,993.81 mi (9,646.10 km) |
| Wilmette to Sivrice | 5,954.91 mi (9,583.50 km) |
| Wilmette to Sivrihisar | 5,639.89 mi (9,076.53 km) |
| Wilmette to Sogut | 5,562.82 mi (8,952.50 km) |
| Wilmette to Sogutlu | 5,527.87 mi (8,896.24 km) |
| Wilmette to Soke | 5,578.40 mi (8,977.57 km) |
| Wilmette to Solhan | 5,980.84 mi (9,625.24 km) |
| Wilmette to Soma | 5,513.01 mi (8,872.33 km) |
| Wilmette to Sorgun | 5,745.19 mi (9,245.99 km) |
