| Keystone to Rockville (Maryland) | 818.58 mi (1,317.38 km) |
| Keystone to Rockville Centre (New York) | 1,004.10 mi (1,615.95 km) |
| Keystone to Rockwall (Texas) | 886.54 mi (1,426.76 km) |
| Keystone to Rocky Mount (North Carolina) | 609.78 mi (981.34 km) |
| Keystone to Rocky Point (New York) | 1,040.17 mi (1,673.99 km) |
| Keystone to Rocky River (Ohio) | 922.60 mi (1,484.78 km) |
| Keystone to Roessleville (New York) | 1,120.30 mi (1,802.94 km) |
| Keystone to Rogers (Arkansas) | 879.64 mi (1,415.64 km) |
| Keystone to Rogers (Minnesota) | 1,323.33 mi (2,129.69 km) |
| Keystone to Rohnert Park (California) | 2,401.41 mi (3,864.70 km) |
| Keystone to Rolla (Missouri) | 860.03 mi (1,384.09 km) |
| Keystone to Rolling Meadows (Illinois) | 1,010.45 mi (1,626.17 km) |
| Keystone to Roma (Texas) | 1,013.69 mi (1,631.37 km) |
| Keystone to Rome (Georgia) | 450.55 mi (725.10 km) |
| Keystone to Rome (New York) | 1,115.58 mi (1,795.35 km) |
