| Altadena to Rosemont (California) | 350.15 mi (563.52 km) |
| Altadena to Rosemount (Minnesota) | 1,514.11 mi (2,436.73 km) |
| Altadena to Rosenberg (Texas) | 1,345.02 mi (2,164.60 km) |
| Altadena to Roseville (California) | 362.35 mi (583.14 km) |
| Altadena to Roseville (Michigan) | 1,975.90 mi (3,179.90 km) |
| Altadena to Roseville (Minnesota) | 1,516.56 mi (2,440.67 km) |
| Altadena to Rossmoor (California) | 28.09 mi (45.20 km) |
| Altadena to Rossville (Maryland) | 2,312.28 mi (3,721.26 km) |
| Altadena to Roswell (Georgia) | 1,923.52 mi (3,095.60 km) |
| Altadena to Roswell (New Mexico) | 782.77 mi (1,259.75 km) |
| Altadena to Round Lake (Illinois) | 1,712.94 mi (2,756.72 km) |
| Altadena to Round Lake Beach (Illinois) | 1,714.59 mi (2,759.36 km) |
| Altadena to Round Rock (Texas) | 1,219.04 mi (1,961.85 km) |
| Altadena to Rowland Heights (California) | 20.67 mi (33.27 km) |
| Altadena to Rowlett (Texas) | 1,243.71 mi (2,001.56 km) |
