| Security-Widefield to Superior (Colorado) | 85.26 mi (137.21 km) |
| Security-Widefield to Superior (Wisconsin) | 842.24 mi (1,355.46 km) |
| Security-Widefield to Surprise (Arizona) | 555.16 mi (893.44 km) |
| Security-Widefield to Susanville (California) | 853.26 mi (1,373.19 km) |
| Security-Widefield to Sussex (Wisconsin) | 910.65 mi (1,465.55 km) |
| Security-Widefield to Suwanee (Georgia) | 1,190.23 mi (1,915.49 km) |
| Security-Widefield to Swansea (Illinois) | 794.01 mi (1,277.84 km) |
| Security-Widefield to Sweetwater (Florida) | 1,672.51 mi (2,691.64 km) |
| Security-Widefield to Sweetwater (Texas) | 496.57 mi (799.15 km) |
| Security-Widefield to Sycamore (Illinois) | 871.75 mi (1,402.95 km) |
| Security-Widefield to Sylacauga (Alabama) | 1,099.01 mi (1,768.68 km) |
| Security-Widefield to Sylvania (Ohio) | 1,123.80 mi (1,808.59 km) |
| Security-Widefield to Syosset (New York) | 1,654.64 mi (2,662.89 km) |
| Security-Widefield to Syracuse (New York) | 1,513.67 mi (2,436.02 km) |
| Security-Widefield to Syracuse (Utah) | 421.73 mi (678.71 km) |
