| Cal to Rosemont (California) | 6,825.46 mi (10,984.52 km) |
| Cal to Rosemount (Minnesota) | 5,685.76 mi (9,150.35 km) |
| Cal to Rosenberg (Texas) | 6,578.21 mi (10,586.60 km) |
| Cal to Roseville (California) | 6,810.55 mi (10,960.52 km) |
| Cal to Roseville (Michigan) | 5,436.40 mi (8,749.04 km) |
| Cal to Roseville (Minnesota) | 5,674.87 mi (9,132.82 km) |
| Cal to Rossmoor (California) | 7,050.14 mi (11,346.11 km) |
| Cal to Rossville (Maryland) | 5,321.33 mi (8,563.85 km) |
| Cal to Roswell (Georgia) | 5,891.14 mi (9,480.87 km) |
| Cal to Roswell (New Mexico) | 6,681.53 mi (10,752.88 km) |
| Cal to Round Lake (Illinois) | 5,635.17 mi (9,068.93 km) |
| Cal to Round Lake Beach (Illinois) | 5,632.54 mi (9,064.69 km) |
| Cal to Round Rock (Texas) | 6,596.35 mi (10,615.80 km) |
| Cal to Rowland Heights (California) | 7,034.05 mi (11,320.21 km) |
| Cal to Rowlett (Texas) | 6,427.20 mi (10,343.59 km) |
