| Wilmette to Siloam Springs (Arkansas) | 546.18 mi (878.99 km) |
| Wilmette to Silver Firs (Washington) | 1,714.14 mi (2,758.65 km) |
| Wilmette to Silver Spring (Maryland) | 600.49 mi (966.39 km) |
| Wilmette to Silver Springs Shores (Florida) | 950.93 mi (1,530.38 km) |
| Wilmette to Silverdale (Washington) | 1,738.86 mi (2,798.42 km) |
| Wilmette to Silverton (Oregon) | 1,753.38 mi (2,821.79 km) |
| Wilmette to Simi Valley (California) | 1,758.13 mi (2,829.44 km) |
| Wilmette to Simpsonville (South Carolina) | 587.52 mi (945.51 km) |
| Wilmette to Sioux City (Iowa) | 443.50 mi (713.74 km) |
| Wilmette to Sioux Falls (South Dakota) | 467.15 mi (751.80 km) |
| Wilmette to Skokie (Illinois) | 2.90 mi (4.67 km) |
| Wilmette to Sleepy Hollow (New York) | 718.49 mi (1,156.30 km) |
| Wilmette to Slidell (Louisiana) | 822.45 mi (1,323.60 km) |
| Wilmette to Smithfield (North Carolina) | 678.02 mi (1,091.16 km) |
| Wilmette to Smithfield (Utah) | 1,234.21 mi (1,986.27 km) |
