| Altadena to Ridgeland (Mississippi) | 1,615.59 mi (2,600.05 km) |
| Altadena to Ridgewood (New Jersey) | 2,429.17 mi (3,909.37 km) |
| Altadena to Rifle (Colorado) | 680.75 mi (1,095.57 km) |
| Altadena to Rincon (Georgia) | 2,124.70 mi (3,419.38 km) |
| Altadena to Ringwood (New Jersey) | 2,420.24 mi (3,895.00 km) |
| Altadena to Río Grande (Puerto Rico) | 3,379.26 mi (5,438.39 km) |
| Altadena to Rio Grande City (Texas) | 1,269.52 mi (2,043.09 km) |
| Altadena to Rio Linda (California) | 360.82 mi (580.68 km) |
| Altadena to Rio Rancho (New Mexico) | 653.34 mi (1,051.45 km) |
| Altadena to Rio Rico (Arizona) | 454.60 mi (731.61 km) |
| Altadena to Ripon (California) | 296.95 mi (477.90 km) |
| Altadena to River Edge (New Jersey) | 2,433.25 mi (3,915.94 km) |
| Altadena to River Falls (Wisconsin) | 1,537.15 mi (2,473.80 km) |
| Altadena to River Forest (Illinois) | 1,722.84 mi (2,772.64 km) |
| Altadena to River Grove (Illinois) | 1,722.18 mi (2,771.58 km) |
