| Placentia to Indianapolis (Indiana) | 1,790.36 mi (2,881.30 km) |
| Placentia to Indianola (Iowa) | 1,420.33 mi (2,285.80 km) |
| Placentia to Indio (California) | 93.59 mi (150.62 km) |
| Placentia to Inglewood (California) | 28.53 mi (45.91 km) |
| Placentia to Inkster (Michigan) | 1,951.07 mi (3,139.94 km) |
| Placentia to Inver Grove Heights (Minnesota) | 1,516.41 mi (2,440.43 km) |
| Placentia to Inwood (New York) | 2,443.83 mi (3,932.97 km) |
| Placentia to Iona (Florida) | 2,191.30 mi (3,526.56 km) |
| Placentia to Ionia (Michigan) | 1,868.33 mi (3,006.78 km) |
| Placentia to Iowa City (Iowa) | 1,527.49 mi (2,458.25 km) |
| Placentia to Irmo (South Carolina) | 2,088.67 mi (3,361.39 km) |
| Placentia to Irondale (Alabama) | 1,786.08 mi (2,874.42 km) |
| Placentia to Ironton (Ohio) | 1,975.08 mi (3,178.59 km) |
| Placentia to Irvine (California) | 14.82 mi (23.85 km) |
| Placentia to Irving (Texas) | 1,205.12 mi (1,939.46 km) |
