| Mack to Rockville (Maryland) | 403.26 mi (648.98 km) |
| Mack to Rockville Centre (New York) | 594.06 mi (956.04 km) |
| Mack to Rockwall (Texas) | 784.48 mi (1,262.50 km) |
| Mack to Rocky Mount (North Carolina) | 435.83 mi (701.40 km) |
| Mack to Rocky Point (New York) | 632.78 mi (1,018.36 km) |
| Mack to Rocky River (Ohio) | 218.84 mi (352.18 km) |
| Mack to Roessleville (New York) | 618.17 mi (994.85 km) |
| Mack to Rogers (Arkansas) | 553.09 mi (890.10 km) |
| Mack to Rogers (Minnesota) | 617.11 mi (993.15 km) |
| Mack to Rohnert Park (California) | 2,034.20 mi (3,273.73 km) |
| Mack to Rolla (Missouri) | 391.47 mi (630.01 km) |
| Mack to Rolling Meadows (Illinois) | 267.64 mi (430.72 km) |
| Mack to Roma (Texas) | 1,207.91 mi (1,943.94 km) |
| Mack to Rome (Georgia) | 338.55 mi (544.84 km) |
| Mack to Rome (New York) | 554.15 mi (891.81 km) |
