| Altadena to Yonkers (New York) | 2,442.10 mi (3,930.18 km) |
| Altadena to Yorba Linda (California) | 29.54 mi (47.54 km) |
| Altadena to York (Pennsylvania) | 2,295.90 mi (3,694.89 km) |
| Altadena to Yorktown (Indiana) | 1,831.74 mi (2,947.91 km) |
| Altadena to Yorkville (Illinois) | 1,688.33 mi (2,717.10 km) |
| Altadena to Youngstown (Ohio) | 2,088.67 mi (3,361.38 km) |
| Altadena to Youngsville (Louisiana) | 1,550.64 mi (2,495.51 km) |
| Altadena to Ypsilanti (Michigan) | 1,939.51 mi (3,121.33 km) |
| Altadena to Yuba City (California) | 392.79 mi (632.13 km) |
| Altadena to Yucaipa (California) | 63.41 mi (102.05 km) |
| Altadena to Yucca Valley (California) | 98.06 mi (157.80 km) |
| Altadena to Yukon (Oklahoma) | 1,156.53 mi (1,861.26 km) |
| Altadena to Yulee (Florida) | 2,135.62 mi (3,436.95 km) |
| Altadena to Yuma (Arizona) | 234.28 mi (377.03 km) |
| Altadena to Zachary (Louisiana) | 1,586.98 mi (2,553.99 km) |
