| Altadena to Red Bank (New Jersey) | 2,434.50 mi (3,917.95 km) |
| Altadena to Red Bank (Tennessee) | 1,859.05 mi (2,991.85 km) |
| Altadena to Red Bluff (California) | 470.88 mi (757.81 km) |
| Altadena to Red Hill (South Carolina) | 2,227.57 mi (3,584.92 km) |
| Altadena to Red Oak (Texas) | 1,235.15 mi (1,987.78 km) |
| Altadena to Red Wing (Minnesota) | 1,531.70 mi (2,465.03 km) |
| Altadena to Redan (Georgia) | 1,937.76 mi (3,118.52 km) |
| Altadena to Redding (California) | 497.92 mi (801.32 km) |
| Altadena to Redland (Maryland) | 2,277.74 mi (3,665.67 km) |
| Altadena to Redlands (California) | 55.97 mi (90.07 km) |
| Altadena to Redmond (Oregon) | 714.37 mi (1,149.67 km) |
| Altadena to Redmond (Washington) | 954.19 mi (1,535.62 km) |
| Altadena to Redondo Beach (California) | 26.97 mi (43.41 km) |
| Altadena to Redwood City (California) | 323.63 mi (520.84 km) |
| Altadena to Reedley (California) | 181.93 mi (292.80 km) |
