| Mack to Rosemont (California) | 1,960.39 mi (3,154.95 km) |
| Mack to Rosemount (Minnesota) | 578.50 mi (931.00 km) |
| Mack to Rosenberg (Texas) | 917.42 mi (1,476.45 km) |
| Mack to Roseville (California) | 1,955.13 mi (3,146.48 km) |
| Mack to Roseville (Michigan) | 249.26 mi (401.14 km) |
| Mack to Roseville (Minnesota) | 593.67 mi (955.42 km) |
| Mack to Rossmoor (California) | 1,881.40 mi (3,027.83 km) |
| Mack to Rossville (Maryland) | 438.95 mi (706.43 km) |
| Mack to Roswell (Georgia) | 353.54 mi (568.97 km) |
| Mack to Roswell (New Mexico) | 1,172.71 mi (1,887.29 km) |
| Mack to Round Lake (Illinois) | 284.34 mi (457.60 km) |
| Mack to Round Lake Beach (Illinois) | 285.41 mi (459.33 km) |
| Mack to Round Rock (Texas) | 945.44 mi (1,521.54 km) |
| Mack to Rowland Heights (California) | 1,866.76 mi (3,004.26 km) |
| Mack to Rowlett (Texas) | 789.73 mi (1,270.95 km) |
