| Keystone to Saddlebrooke (Arizona) | 1,708.22 mi (2,749.12 km) |
| Keystone to Safety Harbor (Florida) | 10.35 mi (16.65 km) |
| Keystone to Saginaw (Michigan) | 1,059.01 mi (1,704.32 km) |
| Keystone to Saginaw (Texas) | 936.87 mi (1,507.75 km) |
| Keystone to Sahuarita (Arizona) | 1,711.97 mi (2,755.15 km) |
| Keystone to Saks (Alabama) | 431.05 mi (693.71 km) |
| Keystone to Salem (Massachusetts) | 1,189.97 mi (1,915.07 km) |
| Keystone to Salem (Ohio) | 888.13 mi (1,429.31 km) |
| Keystone to Salem (Oregon) | 2,492.26 mi (4,010.91 km) |
| Keystone to Salem (Virginia) | 649.55 mi (1,045.35 km) |
| Keystone to Salem Lakes (Wisconsin) | 1,042.37 mi (1,677.52 km) |
| Keystone to Salida (California) | 2,310.13 mi (3,717.80 km) |
| Keystone to Salina (Kansas) | 1,134.57 mi (1,825.91 km) |
| Keystone to Salinas (California) | 2,335.06 mi (3,757.92 km) |
| Keystone to Salisbury (Maryland) | 814.96 mi (1,311.55 km) |
