| Placentia to Yonkers (New York) | 2,436.48 mi (3,921.14 km) |
| Placentia to Yorba Linda (California) | 4.85 mi (7.80 km) |
| Placentia to York (Pennsylvania) | 2,289.39 mi (3,684.42 km) |
| Placentia to Yorktown (Indiana) | 1,825.44 mi (2,937.76 km) |
| Placentia to Yorkville (Illinois) | 1,683.83 mi (2,709.86 km) |
| Placentia to Youngstown (Ohio) | 2,083.11 mi (3,352.44 km) |
| Placentia to Youngsville (Louisiana) | 1,533.55 mi (2,468.01 km) |
| Placentia to Ypsilanti (Michigan) | 1,935.15 mi (3,114.33 km) |
| Placentia to Yuba City (California) | 419.38 mi (674.93 km) |
| Placentia to Yucaipa (California) | 47.74 mi (76.83 km) |
| Placentia to Yucca Valley (California) | 83.82 mi (134.89 km) |
| Placentia to Yukon (Oklahoma) | 1,144.89 mi (1,842.52 km) |
| Placentia to Yulee (Florida) | 2,121.13 mi (3,413.63 km) |
| Placentia to Yuma (Arizona) | 210.56 mi (338.86 km) |
| Placentia to Zachary (Louisiana) | 1,570.60 mi (2,527.64 km) |
