| Summit to Siloam Springs (Arkansas) | 1,132.35 mi (1,822.35 km) |
| Summit to Silver Firs (Washington) | 2,374.86 mi (3,821.97 km) |
| Summit to Silver Spring (Maryland) | 183.96 mi (296.05 km) |
| Summit to Silver Springs Shores (Florida) | 910.43 mi (1,465.19 km) |
| Summit to Silverdale (Washington) | 2,400.98 mi (3,864.01 km) |
| Summit to Silverton (Oregon) | 2,433.24 mi (3,915.92 km) |
| Summit to Simi Valley (California) | 2,447.20 mi (3,938.39 km) |
| Summit to Simpsonville (South Carolina) | 597.12 mi (960.98 km) |
| Summit to Sioux City (Iowa) | 1,141.29 mi (1,836.73 km) |
| Summit to Sioux Falls (South Dakota) | 1,158.97 mi (1,865.19 km) |
| Summit to Skokie (Illinois) | 698.71 mi (1,124.47 km) |
| Summit to Sleepy Hollow (New York) | 36.66 mi (59.01 km) |
| Summit to Slidell (Louisiana) | 1,124.42 mi (1,809.58 km) |
| Summit to Smithfield (North Carolina) | 419.54 mi (675.19 km) |
| Summit to Smithfield (Utah) | 1,931.32 mi (3,108.15 km) |
