| Keystone to Sanford (Maine) | 1,244.97 mi (2,003.58 km) |
| Keystone to Sanford (North Carolina) | 546.45 mi (879.43 km) |
| Keystone to Sanger (California) | 2,220.47 mi (3,573.50 km) |
| Keystone to Santa Ana (California) | 2,116.03 mi (3,405.42 km) |
| Keystone to Santa Barbara (California) | 2,221.97 mi (3,575.92 km) |
| Keystone to Santa Clara (California) | 2,356.51 mi (3,792.44 km) |
| Keystone to Santa Clara (Oregon) | 2,484.81 mi (3,998.91 km) |
| Keystone to Santa Clarita (California) | 2,152.22 mi (3,463.67 km) |
| Keystone to Santa Cruz (California) | 2,358.46 mi (3,795.58 km) |
| Keystone to Santa Fe (New Mexico) | 1,462.46 mi (2,353.59 km) |
| Keystone to Santa Fe (Texas) | 761.75 mi (1,225.91 km) |
| Keystone to Santa Fe Springs (California) | 2,126.63 mi (3,422.48 km) |
| Keystone to Santa Maria (California) | 2,263.72 mi (3,643.10 km) |
| Keystone to Santa Monica (California) | 2,150.72 mi (3,461.24 km) |
| Keystone to Santa Paula (California) | 2,184.56 mi (3,515.71 km) |
