| Keystone to Santa Rosa (California) | 2,402.55 mi (3,866.53 km) |
| Keystone to Santaquin (Utah) | 1,849.16 mi (2,975.94 km) |
| Keystone to Santee (California) | 2,063.85 mi (3,321.45 km) |
| Keystone to Sapulpa (Oklahoma) | 958.18 mi (1,542.04 km) |
| Keystone to Saraland (Alabama) | 380.27 mi (611.99 km) |
| Keystone to Sarasota (Florida) | 54.87 mi (88.30 km) |
| Keystone to Sarasota Springs (Florida) | 57.34 mi (92.29 km) |
| Keystone to Saratoga (California) | 2,359.26 mi (3,796.86 km) |
| Keystone to Saratoga Springs (New York) | 1,143.22 mi (1,839.84 km) |
| Keystone to Saratoga Springs (Utah) | 1,863.04 mi (2,998.28 km) |
| Keystone to Sartell (Minnesota) | 1,365.03 mi (2,196.80 km) |
| Keystone to Satellite Beach (Florida) | 121.76 mi (195.95 km) |
| Keystone to Sauk Rapids (Minnesota) | 1,362.11 mi (2,192.11 km) |
| Keystone to Sault Ste. Marie (Michigan) | 1,271.54 mi (2,046.35 km) |
| Keystone to Savage (Minnesota) | 1,292.31 mi (2,079.77 km) |
