| Middlesex to Rosemont (California) | 2,470.10 mi (3,975.25 km) |
| Middlesex to Rosemount (Minnesota) | 983.82 mi (1,583.31 km) |
| Middlesex to Rosenberg (Texas) | 1,420.56 mi (2,286.18 km) |
| Middlesex to Roseville (California) | 2,463.44 mi (3,964.53 km) |
| Middlesex to Roseville (Michigan) | 456.01 mi (733.88 km) |
| Middlesex to Roseville (Minnesota) | 991.61 mi (1,595.85 km) |
| Middlesex to Rossmoor (California) | 2,419.10 mi (3,893.16 km) |
| Middlesex to Rossville (Maryland) | 134.22 mi (216.01 km) |
| Middlesex to Roswell (Georgia) | 704.13 mi (1,133.19 km) |
| Middlesex to Roswell (New Mexico) | 1,721.09 mi (2,769.83 km) |
| Middlesex to Round Lake (Illinois) | 714.18 mi (1,149.36 km) |
| Middlesex to Round Lake Beach (Illinois) | 713.15 mi (1,147.71 km) |
| Middlesex to Round Rock (Texas) | 1,469.17 mi (2,364.41 km) |
| Middlesex to Rowland Heights (California) | 2,404.05 mi (3,868.94 km) |
| Middlesex to Rowlett (Texas) | 1,325.71 mi (2,133.52 km) |
