| Keystone to Savannah (Georgia) | 282.30 mi (454.32 km) |
| Keystone to Sayreville (New Jersey) | 973.27 mi (1,566.32 km) |
| Keystone to Sayville (New York) | 1,025.10 mi (1,649.75 km) |
| Keystone to Scaggsville (Maryland) | 828.27 mi (1,332.97 km) |
| Keystone to Scarsdale (New York) | 1,019.15 mi (1,640.16 km) |
| Keystone to Schaumburg (Illinois) | 1,008.59 mi (1,623.17 km) |
| Keystone to Schenectady (New York) | 1,123.51 mi (1,808.12 km) |
| Keystone to Schererville (Indiana) | 962.34 mi (1,548.74 km) |
| Keystone to Schertz (Texas) | 951.77 mi (1,531.73 km) |
| Keystone to Schiller Park (Illinois) | 1,000.25 mi (1,609.75 km) |
| Keystone to Schofield Barracks (Hawaii) | 4,680.72 mi (7,532.89 km) |
| Keystone to Scotchtown (New York) | 1,032.40 mi (1,661.48 km) |
| Keystone to Scottdale (Georgia) | 403.53 mi (649.42 km) |
| Keystone to Scotts Valley (California) | 2,357.52 mi (3,794.07 km) |
| Keystone to Scottsbluff (Nebraska) | 1,516.47 mi (2,440.52 km) |
