| Keystone to Rosemont (California) | 2,330.51 mi (3,750.59 km) |
| Keystone to Rosemount (Minnesota) | 1,284.43 mi (2,067.09 km) |
| Keystone to Rosenberg (Texas) | 805.77 mi (1,296.77 km) |
| Keystone to Roseville (California) | 2,330.30 mi (3,750.25 km) |
| Keystone to Roseville (Michigan) | 993.48 mi (1,598.85 km) |
| Keystone to Roseville (Minnesota) | 1,302.68 mi (2,096.46 km) |
| Keystone to Rossmoor (California) | 2,127.48 mi (3,423.85 km) |
| Keystone to Rossville (Maryland) | 851.13 mi (1,369.75 km) |
| Keystone to Roswell (Georgia) | 421.12 mi (677.73 km) |
| Keystone to Roswell (New Mexico) | 1,348.63 mi (2,170.41 km) |
| Keystone to Round Lake (Illinois) | 1,029.35 mi (1,656.58 km) |
| Keystone to Round Lake Beach (Illinois) | 1,031.26 mi (1,659.65 km) |
| Keystone to Round Rock (Texas) | 921.66 mi (1,483.26 km) |
| Keystone to Rowland Heights (California) | 2,116.87 mi (3,406.77 km) |
| Keystone to Rowlett (Texas) | 892.66 mi (1,436.60 km) |
