| Security-Widefield to Southern Pines (North Carolina) | 1,413.92 mi (2,275.48 km) |
| Security-Widefield to Southfield (Michigan) | 1,151.00 mi (1,852.36 km) |
| Security-Widefield to Southgate (Michigan) | 1,152.07 mi (1,854.09 km) |
| Security-Widefield to Southlake (Texas) | 582.44 mi (937.35 km) |
| Security-Widefield to Spanaway (Washington) | 1,061.82 mi (1,708.84 km) |
| Security-Widefield to Spanish Fork (Utah) | 381.31 mi (613.65 km) |
| Security-Widefield to Spanish Lake (Missouri) | 780.66 mi (1,256.35 km) |
| Security-Widefield to Spanish Springs (Nevada) | 802.24 mi (1,291.08 km) |
| Security-Widefield to Sparks (Nevada) | 804.78 mi (1,295.16 km) |
| Security-Widefield to Spartanburg (South Carolina) | 1,283.61 mi (2,065.77 km) |
| Security-Widefield to Spearfish (South Dakota) | 399.43 mi (642.82 km) |
| Security-Widefield to Speedway (Indiana) | 988.61 mi (1,591.01 km) |
| Security-Widefield to Spencer (Iowa) | 583.64 mi (939.28 km) |
| Security-Widefield to Spokane (Washington) | 886.65 mi (1,426.92 km) |
| Security-Widefield to Spokane Valley (Washington) | 879.34 mi (1,415.15 km) |
