| Altadena to Rancho Cordova (California) | 348.81 mi (561.35 km) |
| Altadena to Rancho Cucamonga (California) | 32.81 mi (52.80 km) |
| Altadena to Rancho Mirage (California) | 102.23 mi (164.52 km) |
| Altadena to Rancho Palos Verdes (California) | 32.94 mi (53.01 km) |
| Altadena to Rancho San Diego (California) | 121.11 mi (194.91 km) |
| Altadena to Rancho Santa Margarita (California) | 49.45 mi (79.59 km) |
| Altadena to Randallstown (Maryland) | 2,294.85 mi (3,693.21 km) |
| Altadena to Rantoul (Illinois) | 1,693.21 mi (2,724.95 km) |
| Altadena to Rapid City (South Dakota) | 1,048.16 mi (1,686.86 km) |
| Altadena to Ravenna (Ohio) | 2,057.75 mi (3,311.63 km) |
| Altadena to Raymondville (Texas) | 1,322.72 mi (2,128.71 km) |
| Altadena to Raymore (Missouri) | 1,348.91 mi (2,170.86 km) |
| Altadena to Raytown (Missouri) | 1,350.12 mi (2,172.80 km) |
| Altadena to Reading (Ohio) | 1,887.61 mi (3,037.82 km) |
| Altadena to Reading (Pennsylvania) | 2,336.83 mi (3,760.77 km) |
